#12374A#12374A

#12374A is a dark, muted cyan. Relative luminance 0.034; OKLCH L 32.0% C 0.054 H 234.4°. Best body text is #FFFFFF at 12.57:1 contrast (WCAG AA passes).

Color values

HEX	#12374A
RGB	rgb(18, 55, 74)
HSL	hsl(200, 61%, 18%)
HSV	hsv(200, 76%, 29%)
CMYK	cmyk(75.7%, 25.7%, 0%, 71%)
CIE-LAB	lab(21.41, -5.91, -15.52)
CIE-LCH	lch(21.41, 16.60, 249.16°)
OKLab	oklab(31.99% -0.0311 -0.0436)
OKLCH	oklch(31.99% 0.054 234.4)
XYZ	xyz(2.8512, 3.3551, 6.9746)
Luminance	0.0336 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#12374A #4A2512

analogous

#124A41 #12374A #121B4A

triadic

#12374A #4A1237 #374A12

tetradic

#12374A #41124A #4A2512 #1B4A12

square

#12374A #41124A #4A2512 #1B4A12

split-complementary

#12374A #4A121B #4A4112

monochromatic

#061219 #061219 #12374A #1E5C7B #2A80AC

Accessibility & contrast

On white

12.57

#12374A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.67

#12374A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #12374A

12.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##12374A	#FFFFFF	#000000	##FFFFFF
##12374A	1.00	12.57	1.67	12.57
#FFFFFF	12.57	1.00	21.00	1.00
#000000	1.67	21.00	1.00	21.00
##FFFFFF	12.57	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2E364B

Deuteranopia (green-blind)

#26314A

Tritanopia (blue-blind)

#003C3D

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #12374a;
/* rgb */ color: rgb(18, 55, 74);
/* oklch */ color: oklch(32.0% 0.054 234.4);

Tailwind

colors: {
  custom: {
    50: '#586d7c',
    500: '#12374a',
    950: '#000000',
  },
}

SCSS

$custom: #12374a;
$custom-light: #586d7c;
$custom-dark: #000000;

JSON

{
  "hex": "#12374a",
  "rgb": {
    "r": 18,
    "g": 55,
    "b": 74
  },
  "hsl": {
    "h": 200.357,
    "s": 60.87,
    "l": 18.039
  },
  "oklch": {
    "l": 0.31992,
    "c": 0.05358,
    "h": 234.4
  },
  "luminance": 0.03355
}

Semantic roles & 50–950 ramp

primary

#12374A

secondary

#834F35

accent

#7A44E4

background

#F5F6F7

surface

#E9EBEE

border

#C5C6C9

text

#040709

muted

#797A7B

Preview Lab

Preview with #12374A

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

Preview Lab → · Contrast checker → · Palette generator →