#04293B#04293B

#04293B is a dark, muted cyan. Relative luminance 0.019; OKLCH L 26.6% C 0.052 H 234.9°. Best body text is #FFFFFF at 15.16:1 contrast (WCAG AA passes).

Color values

HEX	#04293B
RGB	rgb(4, 41, 59)
HSL	hsl(200, 87%, 12%)
HSV	hsv(200, 93%, 23%)
CMYK	cmyk(93.2%, 30.5%, 0%, 76.9%)
CIE-LAB	lab(15.10, -5.06, -15.13)
CIE-LCH	lch(15.10, 15.95, 251.51°)
OKLab	oklab(26.58% -0.03 -0.0428)
OKLCH	oklch(26.58% 0.052 234.9)
XYZ	xyz(1.6321, 1.9272, 4.4228)
Luminance	0.0193 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#04293B #3B1604

analogous

#043B31 #04293B #040E3B

triadic

#04293B #3B0429 #293B04

tetradic

#04293B #31043B #3B1604 #0E3B04

square

#04293B #31043B #3B1604 #0E3B04

split-complementary

#04293B #3B040E #3B3104

monochromatic

#02141D #02141D #04293B #085174 #0C79AE

Accessibility & contrast

On white

15.16

#04293B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.39

#04293B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #04293B

15.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##04293B	#FFFFFF	#000000	##FFFFFF
##04293B	1.00	15.16	1.39	15.16
#FFFFFF	15.16	1.00	21.00	1.00
#000000	1.39	21.00	1.00	21.00
##FFFFFF	15.16	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#20293C

Deuteranopia (green-blind)

#19243B

Tritanopia (blue-blind)

#002E2F

Achromatopsia (no color)

#262626

Design tokens & code

CSS

--color: #04293b;
/* rgb */ color: rgb(4, 41, 59);
/* oklch */ color: oklch(26.6% 0.052 234.9);

Tailwind

colors: {
  custom: {
    50: '#4f6271',
    500: '#04293b',
    950: '#000000',
  },
}

SCSS

$custom: #04293b;
$custom-light: #4f6271;
$custom-dark: #000000;

JSON

{
  "hex": "#04293b",
  "rgb": {
    "r": 4,
    "g": 41,
    "b": 59
  },
  "hsl": {
    "h": 199.636,
    "s": 87.302,
    "l": 12.353
  },
  "oklch": {
    "l": 0.26576,
    "c": 0.05222,
    "h": 234.9
  },
  "luminance": 0.01927
}

Semantic roles & 50–950 ramp

primary

#04293B

secondary

#7D3D1E

accent

#6F2AFD

background

#F4F5F6

surface

#E7EAEC

border

#C3C6C7

text

#020507

muted

#78797A

Preview Lab

Preview with #04293B

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →