#12273E#12273E

#12273E is a dark, muted cyan. Relative luminance 0.019; OKLCH L 26.8% C 0.051 H 252.2°. Best body text is #FFFFFF at 15.16:1 contrast (WCAG AA passes).

Color values

HEX	#12273E
RGB	rgb(18, 39, 62)
HSL	hsl(211, 55%, 16%)
HSV	hsv(211, 71%, 24%)
CMYK	cmyk(71%, 37.1%, 0%, 75.7%)
CIE-LAB	lab(15.10, 0.30, -17.18)
CIE-LCH	lch(15.10, 17.19, 271.00°)
OKLab	oklab(26.79% -0.0156 -0.0486)
OKLCH	oklch(26.79% 0.051 252.2)
XYZ	xyz(1.8442, 1.9273, 4.8313)
Luminance	0.0193 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#12273E #3E2912

analogous

#123D3E #12273E #13123E

triadic

#12273E #3E1227 #273E12

tetradic

#12273E #3E123D #3E2912 #123E13

square

#12273E #3E123D #3E2912 #123E13

split-complementary

#12273E #3E1312 #3D3E12

monochromatic

#070F18 #070F18 #12273E #20456D #2E639D

Accessibility & contrast

On white

15.16

#12273E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.39

#12273E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #12273E

15.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##12273E	#FFFFFF	#000000	##FFFFFF
##12273E	1.00	15.16	1.39	15.16
#FFFFFF	15.16	1.00	21.00	1.00
#000000	1.39	21.00	1.00	21.00
##FFFFFF	15.16	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1D283F

Deuteranopia (green-blind)

#17243E

Tritanopia (blue-blind)

#002C2F

Achromatopsia (no color)

#262626

Design tokens & code

CSS

--color: #12273e;
/* rgb */ color: rgb(18, 39, 62);
/* oklch */ color: oklch(26.8% 0.051 252.2);

Tailwind

colors: {
  custom: {
    50: '#556073',
    500: '#12273e',
    950: '#000000',
  },
}

SCSS

$custom: #12273e;
$custom-light: #556073;
$custom-dark: #000000;

JSON

{
  "hex": "#12273e",
  "rgb": {
    "r": 18,
    "g": 39,
    "b": 62
  },
  "hsl": {
    "h": 211.364,
    "s": 55,
    "l": 15.686
  },
  "oklch": {
    "l": 0.26789,
    "c": 0.05102,
    "h": 252.2
  },
  "luminance": 0.01927
}

Semantic roles & 50–950 ramp

primary

#12273E

secondary

#775735

accent

#9749DE

background

#F5F5F7

surface

#E9E9ED

border

#C5C5C8

text

#030508

muted

#78797B

Preview Lab

Preview with #12273E

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

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