#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
RGBrgb(4, 35, 58)
HSLhsl(206, 87%, 12%)
HSVhsv(206, 93%, 23%)
CMYKcmyk(93.1%, 39.7%, 0%, 77.3%)
CIE-LABlab(12.82, -1.23, -18.02)
CIE-LCHlch(12.82, 18.06, 266.10°)
OKLaboklab(24.75% -0.0238 -0.0513)
OKLCHoklch(24.75% 0.057 245.1)
XYZxyz(1.4145, 1.5332, 4.2235)
Luminance0.0153 (WCAG relative)
Temperaturecool
Familycyan

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
##04233A1.0016.071.3116.07
#FFFFFF16.071.0021.001.00
#0000001.3121.001.0021.00
##FFFFFF16.071.0021.001.00

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 →

#04233A Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva