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Pixeliro

#B22222

Fire Brick

#B22222Fire Brick

Luminance

0.107

Category

Red

Type

Dark

Best On

#FFFFFF

Color Codes

All color formats for your project

HEX

HEX
#B22222
No #
B22222

RGB

RGB
rgb(178, 34, 34)
Values
R:178 G:34 B:34

HSL

HSL
hsl(0, 68%, 42%)
Values
H:0° S:68% L:42%

HSV / HSB

HSV
hsv(0, 81%, 70%)
Values
H:0° S:81% V:70%

CMYK

CMYK
cmyk(0%, 81%, 81%, 30%)
Values
C:0 M:81 Y:81 K:30

LAB

LAB
lab(39, 56, 38)
Values
L:39 a:56 b:38

OKLCH

OKLCH
oklch(49.7% 0.180 26.8)
Values
L:49.7% C:0.180 H:26.8°

Code Formats

CSS
color: #B22222;
Swift
UIColor(red: 0.698, green: 0.133, blue: 0.133, alpha: 1.0)
Kotlin
Color(0xFFB22222)
Flutter
Color(0xFFB22222)
Android
#FFB22222

Contrast Analysis

WCAG compliance with grayscale colors

On White

6.68:1

AA

On Black

3.14:1

AA-large

Grayscale Contrast

Aa

0%

3.1

AA-large
Aa

10%

2.6

Fail
Aa

20%

1.9

Fail
Aa

30%

1.3

Fail
Aa

40%

1.2

Fail
Aa

50%

1.7

Fail
Aa

60%

2.3

Fail
Aa

70%

3.2

AA-large
Aa

80%

4.2

AA-large
Aa

90%

5.3

AA
Aa

100%

6.7

AA

Best Grayscale Contrast

#FFFFFF with ratio 6.68:1

Aa

Color Harmonies

Harmonious color combinations

complementary

Two colors opposite on the color wheel (180°)

split-complementary

Base color + two colors adjacent to its complement

triadic

Three colors evenly spaced (120° apart)

tetradic

Four colors evenly spaced (90° apart)

analogous

Three colors adjacent on the color wheel (30° apart)

Color Variations

Tints, shades, tones, and full scale

Color Scale (50-900)

50

100

200

300

400

500

600

700

800

900

Tints (Lighter)

Shades (Darker)

Tones (Desaturated)

Gradients (OKLCH)

Primary

90°
CSS
linear-gradient(90deg, #E05C5C 0%, #6B1414 100%)
OKLCH
linear-gradient(90deg, oklch(64.4% 0.166 22.9) 0%, oklch(34.7% 0.121 26.2) 100%)
Stops
0%
100%

Vibrant

135°
CSS
linear-gradient(135deg, #EA1F1F 0%, #C50707 100%)
OKLCH
linear-gradient(135deg, oklch(59.8% 0.231 28.0) 0%, oklch(51.9% 0.210 28.9) 100%)
Stops
0%
100%

Complementary

90°
CSS
linear-gradient(90deg, #B22222 0%, #22B4B4 100%)
OKLCH
linear-gradient(90deg, oklch(49.7% 0.180 26.8) 0%, oklch(70.0% 0.114 194.9) 100%)
Stops
0%
100%

Analogous

90°
CSS
linear-gradient(90deg, #B4226B 0%, #B22222 50%, #B46B22 100%)
OKLCH
linear-gradient(90deg, oklch(51.7% 0.189 356.2) 0%, oklch(49.7% 0.180 26.8) 50%, oklch(59.7% 0.125 60.4) 100%)
Stops
0%
50%
100%

Sunset

90°
CSS
linear-gradient(90deg, #F6CE55 0%, #EE6C2B 50%, #E6193C 100%)
OKLCH
linear-gradient(90deg, oklch(86.4% 0.144 90.6) 0%, oklch(68.0% 0.177 43.8) 50%, oklch(59.1% 0.228 21.2) 100%)
Stops
0%
50%
100%

Ocean

135°
CSS
linear-gradient(135deg, #19A1E6 0%, #22C3B6 50%, #47D1A3 100%)
OKLCH
linear-gradient(135deg, oklch(67.5% 0.146 238.9) 0%, oklch(73.8% 0.124 186.2) 50%, oklch(77.5% 0.136 166.9) 100%)
Stops
0%
50%
100%

Dark Mode

180°
CSS
linear-gradient(180deg, #B42222 0%, #2A1313 100%)
OKLCH
linear-gradient(180deg, oklch(50.0% 0.182 26.9) 0%, oklch(22.0% 0.038 20.6) 100%)
Stops
0%
100%

Radial Glow

Radial
CSS
radial-gradient(circle, #DC4747 0%, #811818 100%)
OKLCH
radial-gradient(circle, oklch(60.9% 0.186 24.5) 0%, oklch(39.5% 0.140 26.5) 100%)
Stops
0%
100%

💡 About OKLCH Gradients

OKLCH (Oklch Color Space) provides perceptually uniform gradients with better color transitions than traditional RGB/HSL gradients. The format is oklch(L% C H) where L = Lightness (0-100%), C = Chroma (0-0.4), H = Hue (0-360°).

Generate Full Palette

Create a complete brand palette from this color with primary, secondary, accent, and neutral scales.

View Palette