#12375D#12375D

#12375D is a dark, moderate cyan. Relative luminance 0.037; OKLCH L 33.2% C 0.079 H 252.0°. Best body text is #FFFFFF at 12.14:1 contrast (WCAG AA passes).

Color values

HEX	#12375D
RGB	rgb(18, 55, 93)
HSL	hsl(210, 68%, 22%)
HSV	hsv(210, 81%, 36%)
CMYK	cmyk(80.6%, 40.9%, 0%, 63.5%)
CIE-LAB	lab(22.48, 1.90, -26.43)
CIE-LCH	lch(22.48, 26.50, 274.11°)
OKLab	oklab(33.18% -0.0245 -0.0753)
OKLCH	oklch(33.18% 0.079 252)
XYZ	xyz(3.5907, 3.6509, 10.8693)
Luminance	0.0365 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#12375D #5D3812

analogous

#125D5D #12375D #13125D

triadic

#12375D #5D1237 #375D12

tetradic

#12375D #5D125D #5D3812 #125D13

square

#12375D #5D125D #5D3812 #125D13

split-complementary

#12375D #5D1312 #5D5D12

monochromatic

#050F1A #08192A #12375D #1C5590 #2674C4

Accessibility & contrast

On white

12.14

#12375D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.73

#12375D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #12375D

12.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##12375D	#FFFFFF	#000000	##FFFFFF
##12375D	1.00	12.14	1.73	12.14
#FFFFFF	12.14	1.00	21.00	1.00
#000000	1.73	21.00	1.00	21.00
##FFFFFF	12.14	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#25395F

Deuteranopia (green-blind)

#1A335C

Tritanopia (blue-blind)

#004045

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #12375d;
/* rgb */ color: rgb(18, 55, 93);
/* oklch */ color: oklch(33.2% 0.079 252.0);

Tailwind

colors: {
  custom: {
    50: '#5c6d8b',
    500: '#12375d',
    950: '#000000',
  },
}

SCSS

$custom: #12375d;
$custom-light: #5c6d8b;
$custom-dark: #000000;

JSON

{
  "hex": "#12375d",
  "rgb": {
    "r": 18,
    "g": 55,
    "b": 93
  },
  "hsl": {
    "h": 210.4,
    "s": 67.568,
    "l": 21.765
  },
  "oklch": {
    "l": 0.33185,
    "c": 0.07923,
    "h": 252
  },
  "luminance": 0.03651
}

Semantic roles & 50–950 ramp

primary

#12375D

secondary

#956635

accent

#953DEA

background

#F5F6F8

surface

#E9EBF0

border

#C5C6CB

text

#05070C

muted

#797A7D

Preview Lab

Preview with #12375D

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

Preview Lab → · Contrast checker → · Palette generator →