#12375E#12375E

#12375E is a dark, moderate cyan. Relative luminance 0.037; OKLCH L 33.3% C 0.081 H 252.5°. Best body text is #FFFFFF at 12.11:1 contrast (WCAG AA passes).

Color values

HEX	#12375E
RGB	rgb(18, 55, 94)
HSL	hsl(211, 68%, 22%)
HSV	hsv(211, 81%, 37%)
CMYK	cmyk(80.9%, 41.5%, 0%, 63.1%)
CIE-LAB	lab(22.54, 2.32, -26.98)
CIE-LCH	lch(22.54, 27.08, 274.92°)
OKLab	oklab(33.25% -0.0242 -0.077)
OKLCH	oklch(33.25% 0.081 252.5)
XYZ	xyz(3.6353, 3.6687, 11.1040)
Luminance	0.0367 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#12375E #5E3912

analogous

#125D5E #12375E #13125E

triadic

#12375E #5E1237 #375E12

tetradic

#12375E #5E125D #5E3912 #125E13

square

#12375E #5E125D #5E3912 #125E13

split-complementary

#12375E #5E1312 #5D5E12

monochromatic

#050F1A #08192B #12375E #1C5591 #2673C5

Accessibility & contrast

On white

12.11

#12375E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.73

#12375E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #12375E

12.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##12375E	#FFFFFF	#000000	##FFFFFF
##12375E	1.00	12.11	1.73	12.11
#FFFFFF	12.11	1.00	21.00	1.00
#000000	1.73	21.00	1.00	21.00
##FFFFFF	12.11	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#253A60

Deuteranopia (green-blind)

#19335D

Tritanopia (blue-blind)

#004046

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #12375e;
/* rgb */ color: rgb(18, 55, 94);
/* oklch */ color: oklch(33.3% 0.081 252.5);

Tailwind

colors: {
  custom: {
    50: '#5c6d8c',
    500: '#12375e',
    950: '#000000',
  },
}

SCSS

$custom: #12375e;
$custom-light: #5c6d8c;
$custom-dark: #000000;

JSON

{
  "hex": "#12375e",
  "rgb": {
    "r": 18,
    "g": 55,
    "b": 94
  },
  "hsl": {
    "h": 210.789,
    "s": 67.857,
    "l": 21.961
  },
  "oklch": {
    "l": 0.33254,
    "c": 0.0807,
    "h": 252.5
  },
  "luminance": 0.03669
}

Semantic roles & 50–950 ramp

primary

#12375E

secondary

#966735

accent

#963DEB

background

#F5F6F8

surface

#E9EBF0

border

#C5C6CB

text

#05070C

muted

#797A7D

Preview Lab

Preview with #12375E

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

Preview Lab → · Contrast checker → · Palette generator →