#12273D#12273D

#12273D is a dark, muted cyan. Relative luminance 0.019; OKLCH L 26.7% C 0.049 H 251.1°. Best body text is #FFFFFF at 15.18:1 contrast (WCAG AA passes).

Color values

HEX	#12273D
RGB	rgb(18, 39, 61)
HSL	hsl(211, 54%, 15%)
HSV	hsv(211, 70%, 24%)
CMYK	cmyk(70.5%, 36.1%, 0%, 76.1%)
CIE-LAB	lab(15.04, -0.11, -16.58)
CIE-LCH	lch(15.04, 16.58, 269.62°)
OKLab	oklab(26.72% -0.016 -0.0468)
OKLCH	oklch(26.72% 0.049 251.1)
XYZ	xyz(1.8170, 1.9164, 4.6881)
Luminance	0.0192 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#12273D #3D2812

analogous

#123C3D #12273D #13123D

triadic

#12273D #3D1227 #273D12

tetradic

#12273D #3D123C #3D2812 #123D13

square

#12273D #3D123C #3D2812 #123D13

split-complementary

#12273D #3D1312 #3C3D12

monochromatic

#070F18 #070F18 #12273D #20456C #2E639C

Accessibility & contrast

On white

15.18

#12273D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.38

#12273D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #12273D

15.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##12273D	#FFFFFF	#000000	##FFFFFF
##12273D	1.00	15.18	1.38	15.18
#FFFFFF	15.18	1.00	21.00	1.00
#000000	1.38	21.00	1.00	21.00
##FFFFFF	15.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1E283E

Deuteranopia (green-blind)

#18243D

Tritanopia (blue-blind)

#002C2F

Achromatopsia (no color)

#262626

Design tokens & code

CSS

--color: #12273d;
/* rgb */ color: rgb(18, 39, 61);
/* oklch */ color: oklch(26.7% 0.049 251.1);

Tailwind

colors: {
  custom: {
    50: '#556072',
    500: '#12273d',
    950: '#000000',
  },
}

SCSS

$custom: #12273d;
$custom-light: #556072;
$custom-dark: #000000;

JSON

{
  "hex": "#12273d",
  "rgb": {
    "r": 18,
    "g": 39,
    "b": 61
  },
  "hsl": {
    "h": 210.698,
    "s": 54.43,
    "l": 15.49
  },
  "oklch": {
    "l": 0.26724,
    "c": 0.04945,
    "h": 251.1
  },
  "luminance": 0.01917
}

Semantic roles & 50–950 ramp

primary

#12273D

secondary

#765635

accent

#964ADE

background

#F5F5F6

surface

#E9E9EC

border

#C5C5C7

text

#030508

muted

#78797B

Preview Lab

Preview with #12273D

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

Preview Lab → · Contrast checker → · Palette generator →