Pixeliro Logo
Pixeliro

#01579B

Cobalt

#01579BCobalt

Luminance

0.092

Category

Blue

Type

Dark

Best On

#FFFFFF

Color Codes

All color formats for your project

HEX

HEX
#01579B
No #
01579B

RGB

RGB
rgb(1, 87, 155)
Values
R:1 G:87 B:155

HSL

HSL
hsl(206, 99%, 31%)
Values
H:206° S:99% L:31%

HSV / HSB

HSV
hsv(206, 99%, 61%)
Values
H:206° S:99% V:61%

CMYK

CMYK
cmyk(99%, 44%, 0%, 39%)
Values
C:99 M:44 Y:0 K:39

LAB

LAB
lab(36, 5, -43)
Values
L:36 a:5 b:-43

OKLCH

OKLCH
oklch(45.2% 0.131 251.0)
Values
L:45.2% C:0.131 H:251.0°

Code Formats

CSS
color: #01579B;
Swift
UIColor(red: 0.004, green: 0.341, blue: 0.608, alpha: 1.0)
Kotlin
Color(0xFF01579B)
Flutter
Color(0xFF01579B)
Android
#FF01579B

Contrast Analysis

WCAG compliance with grayscale colors

On White

7.40:1

AAA

On Black

2.84:1

Fail

Grayscale Contrast

Aa

0%

2.8

Fail
Aa

10%

2.4

Fail
Aa

20%

1.7

Fail
Aa

30%

1.1

Fail
Aa

40%

1.3

Fail
Aa

50%

1.8

Fail
Aa

60%

2.6

Fail
Aa

70%

3.5

AA-large
Aa

80%

4.6

AA
Aa

90%

5.9

AA
Aa

100%

7.4

AAA

Best Grayscale Contrast

#FFFFFF with ratio 7.40:1

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, #0693FE 0%, #01487F 100%)
OKLCH
linear-gradient(90deg, oklch(65.6% 0.188 250.8) 0%, oklch(39.5% 0.111 250.0) 100%)
Stops
0%
100%

Vibrant

135°
CSS
linear-gradient(135deg, #0076D1 0%, #0074CC 100%)
OKLCH
linear-gradient(135deg, oklch(56.1% 0.165 251.4) 0%, oklch(55.3% 0.161 251.0) 100%)
Stops
0%
100%

Complementary

90°
CSS
linear-gradient(90deg, #01579B 0%, #9D4501 100%)
OKLCH
linear-gradient(90deg, oklch(45.2% 0.131 251.0) 0%, oklch(49.8% 0.134 48.3) 100%)
Stops
0%
100%

Analogous

90°
CSS
linear-gradient(90deg, #019D93 0%, #01579B 50%, #010B9D 100%)
OKLCH
linear-gradient(90deg, oklch(62.7% 0.109 186.9) 0%, oklch(45.2% 0.131 251.0) 50%, oklch(32.2% 0.213 264.4) 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, #01599D 0%, #092134 100%)
OKLCH
linear-gradient(180deg, oklch(45.8% 0.131 250.6) 0%, oklch(24.0% 0.047 245.5) 100%)
Stops
0%
100%

Radial Glow

Radial
CSS
radial-gradient(circle, #0185E9 0%, #015798 100%)
OKLCH
radial-gradient(circle, oklch(61.1% 0.178 251.2) 0%, oklch(45.0% 0.127 250.1) 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