#12333D#12333D

#12333D is a dark, muted cyan. Relative luminance 0.028; OKLCH L 30.1% C 0.042 H 220.8°. Best body text is #FFFFFF at 13.40:1 contrast (WCAG AA passes).

Color values

HEX	#12333D
RGB	rgb(18, 51, 61)
HSL	hsl(194, 54%, 15%)
HSV	hsv(194, 70%, 24%)
CMYK	cmyk(70.5%, 16.4%, 0%, 76.1%)
CIE-LAB	lab(19.36, -8.32, -9.88)
CIE-LCH	lch(19.36, 12.92, 229.90°)
OKLab	oklab(30.15% -0.0319 -0.0275)
OKLCH	oklch(30.15% 0.042 220.8)
XYZ	xyz(2.2752, 2.8329, 4.8409)
Luminance	0.0283 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#12333D #3D1C12

analogous

#123D31 #12333D #121E3D

triadic

#12333D #3D1233 #333D12

tetradic

#12333D #31123D #3D1C12 #1E3D12

square

#12333D #31123D #3D1C12 #1E3D12

split-complementary

#12333D #3D121E #3D3112

monochromatic

#071418 #071418 #12333D #205B6C #2E829C

Accessibility & contrast

On white

13.40

#12333D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.57

#12333D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #12333D

13.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##12333D	#FFFFFF	#000000	##FFFFFF
##12333D	1.00	13.40	1.57	13.40
#FFFFFF	13.40	1.00	21.00	1.00
#000000	1.57	21.00	1.00	21.00
##FFFFFF	13.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2D323E

Deuteranopia (green-blind)

#272D3D

Tritanopia (blue-blind)

#003636

Achromatopsia (no color)

#2F2F2F

Design tokens & code

CSS

--color: #12333d;
/* rgb */ color: rgb(18, 51, 61);
/* oklch */ color: oklch(30.1% 0.042 220.8);

Tailwind

colors: {
  custom: {
    50: '#556a72',
    500: '#12333d',
    950: '#000000',
  },
}

SCSS

$custom: #12333d;
$custom-light: #556a72;
$custom-dark: #000000;

JSON

{
  "hex": "#12333d",
  "rgb": {
    "r": 18,
    "g": 51,
    "b": 61
  },
  "hsl": {
    "h": 193.953,
    "s": 54.43,
    "l": 15.49
  },
  "oklch": {
    "l": 0.3015,
    "c": 0.0421,
    "h": 220.8
  },
  "luminance": 0.02833
}

Semantic roles & 50–950 ramp

primary

#12333D

secondary

#764435

accent

#6C4ADE

background

#F5F6F6

surface

#E9EBEC

border

#C5C6C7

text

#030608

muted

#787A7B

Preview Lab

Preview with #12333D

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

Preview Lab → · Contrast checker → · Palette generator →