#04233A#04233A

#04233A is a very dark, muted cyan. Relative luminance 0.015; OKLCH L 24.7% C 0.057 H 245.1°. Best body text is #FFFFFF at 16.07:1 contrast (WCAG AA passes).

Color values

HEX	#04233A
RGB	rgb(4, 35, 58)
HSL	hsl(206, 87%, 12%)
HSV	hsv(206, 93%, 23%)
CMYK	cmyk(93.1%, 39.7%, 0%, 77.3%)
CIE-LAB	lab(12.82, -1.23, -18.02)
CIE-LCH	lch(12.82, 18.06, 266.10°)
OKLab	oklab(24.75% -0.0238 -0.0513)
OKLCH	oklch(24.75% 0.057 245.1)
XYZ	xyz(1.4145, 1.5332, 4.2235)
Luminance	0.0153 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#04233A #3A1B04

analogous

#043A36 #04233A #04083A

triadic

#04233A #3A0423 #233A04

tetradic

#04233A #36043A #3A1B04 #083A04

square

#04233A #36043A #3A1B04 #083A04

split-complementary

#04233A #3A0408 #3A3604

monochromatic

#02111D #02111D #04233A #084673 #0C68AD

Accessibility & contrast

On white

16.07

#04233A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.31

#04233A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #04233A

16.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##04233A	#FFFFFF	#000000	##FFFFFF
##04233A	1.00	16.07	1.31	16.07
#FFFFFF	16.07	1.00	21.00	1.00
#000000	1.31	21.00	1.00	21.00
##FFFFFF	16.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#18243B

Deuteranopia (green-blind)

#101F3A

Tritanopia (blue-blind)

#00292B

Achromatopsia (no color)

#212121

Design tokens & code

CSS

--color: #04233a;
/* rgb */ color: rgb(4, 35, 58);
/* oklch */ color: oklch(24.7% 0.057 245.1);

Tailwind

colors: {
  custom: {
    50: '#4e5d70',
    500: '#04233a',
    950: '#000000',
  },
}

SCSS

$custom: #04233a;
$custom-light: #4e5d70;
$custom-dark: #000000;

JSON

{
  "hex": "#04233a",
  "rgb": {
    "r": 4,
    "g": 35,
    "b": 58
  },
  "hsl": {
    "h": 205.556,
    "s": 87.097,
    "l": 12.157
  },
  "oklch": {
    "l": 0.24746,
    "c": 0.05652,
    "h": 245.1
  },
  "luminance": 0.01533
}

Semantic roles & 50–950 ramp

primary

#04233A

secondary

#7C461E

accent

#842BFD

background

#F4F5F6

surface

#E7E9EC

border

#C3C5C7

text

#020407

muted

#78797A

Preview Lab

Preview with #04233A

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

Preview Lab → · Contrast checker → · Palette generator →