#12374C#12374C

#12374C is a dark, muted cyan. Relative luminance 0.034; OKLCH L 32.1% C 0.056 H 237.2°. Best body text is #FFFFFF at 12.53:1 contrast (WCAG AA passes).

Color values

HEX	#12374C
RGB	rgb(18, 55, 76)
HSL	hsl(202, 62%, 18%)
HSV	hsv(202, 76%, 30%)
CMYK	cmyk(76.3%, 27.6%, 0%, 70.2%)
CIE-LAB	lab(21.51, -5.11, -16.70)
CIE-LCH	lch(21.51, 17.46, 252.98°)
OKLab	oklab(32.11% -0.0303 -0.047)
OKLCH	oklch(32.11% 0.056 237.2)
XYZ	xyz(2.9196, 3.3825, 7.3351)
Luminance	0.0338 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#12374C #4C2712

analogous

#124C44 #12374C #121A4C

triadic

#12374C #4C1237 #374C12

tetradic

#12374C #44124C #4C2712 #1A4C12

square

#12374C #44124C #4C2712 #1A4C12

split-complementary

#12374C #4C121A #4C4412

monochromatic

#061219 #06131B #12374C #1E5B7D #297FAF

Accessibility & contrast

On white

12.53

#12374C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.68

#12374C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #12374C

12.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##12374C	#FFFFFF	#000000	##FFFFFF
##12374C	1.00	12.53	1.68	12.53
#FFFFFF	12.53	1.00	21.00	1.00
#000000	1.68	21.00	1.00	21.00
##FFFFFF	12.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2D374D

Deuteranopia (green-blind)

#25314C

Tritanopia (blue-blind)

#003C3E

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #12374c;
/* rgb */ color: rgb(18, 55, 76);
/* oklch */ color: oklch(32.1% 0.056 237.2);

Tailwind

colors: {
  custom: {
    50: '#586d7e',
    500: '#12374c',
    950: '#000000',
  },
}

SCSS

$custom: #12374c;
$custom-light: #586d7e;
$custom-dark: #000000;

JSON

{
  "hex": "#12374c",
  "rgb": {
    "r": 18,
    "g": 55,
    "b": 76
  },
  "hsl": {
    "h": 201.724,
    "s": 61.702,
    "l": 18.431
  },
  "oklch": {
    "l": 0.32106,
    "c": 0.05593,
    "h": 237.2
  },
  "luminance": 0.03383
}

Semantic roles & 50–950 ramp

primary

#12374C

secondary

#855235

accent

#7E43E5

background

#F5F6F7

surface

#E9EBEE

border

#C5C6C9

text

#04070A

muted

#797A7C

Preview Lab

Preview with #12374C

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

Preview Lab → · Contrast checker → · Palette generator →