#12333C#12333C

#12333C is a dark, muted cyan. Relative luminance 0.028; OKLCH L 30.1% C 0.041 H 218.5°. Best body text is #FFFFFF at 13.42:1 contrast (WCAG AA passes).

Color values

HEX	#12333C
RGB	rgb(18, 51, 60)
HSL	hsl(193, 54%, 15%)
HSV	hsv(193, 70%, 24%)
CMYK	cmyk(70%, 15%, 0%, 76.5%)
CIE-LAB	lab(19.32, -8.70, -9.27)
CIE-LCH	lch(19.32, 12.71, 226.82°)
OKLab	oklab(30.1% -0.0323 -0.0258)
OKLCH	oklch(30.1% 0.041 218.5)
XYZ	xyz(2.2486, 2.8223, 4.7003)
Luminance	0.0282 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#12333C #3C1B12

analogous

#123C30 #12333C #121E3C

triadic

#12333C #3C1233 #333C12

tetradic

#12333C #30123C #3C1B12 #1E3C12

square

#12333C #30123C #3C1B12 #1E3C12

split-complementary

#12333C #3C121E #3C3012

monochromatic

#071418 #071418 #12333C #205B6B #2E839A

Accessibility & contrast

On white

13.42

#12333C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.56

#12333C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #12333C

13.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##12333C	#FFFFFF	#000000	##FFFFFF
##12333C	1.00	13.42	1.56	13.42
#FFFFFF	13.42	1.00	21.00	1.00
#000000	1.56	21.00	1.00	21.00
##FFFFFF	13.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2D313C

Deuteranopia (green-blind)

#272D3C

Tritanopia (blue-blind)

#003636

Achromatopsia (no color)

#2F2F2F

Design tokens & code

CSS

--color: #12333c;
/* rgb */ color: rgb(18, 51, 60);
/* oklch */ color: oklch(30.1% 0.041 218.5);

Tailwind

colors: {
  custom: {
    50: '#556a71',
    500: '#12333c',
    950: '#000000',
  },
}

SCSS

$custom: #12333c;
$custom-light: #556a71;
$custom-dark: #000000;

JSON

{
  "hex": "#12333c",
  "rgb": {
    "r": 18,
    "g": 51,
    "b": 60
  },
  "hsl": {
    "h": 192.857,
    "s": 53.846,
    "l": 15.294
  },
  "oklch": {
    "l": 0.301,
    "c": 0.04135,
    "h": 218.5
  },
  "luminance": 0.02822
}

Semantic roles & 50–950 ramp

primary

#12333C

secondary

#754335

accent

#6A4BDD

background

#F5F6F6

surface

#E9EBEC

border

#C5C6C7

text

#030607

muted

#787A7A

Preview Lab

Preview with #12333C

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

Preview Lab → · Contrast checker → · Palette generator →