#123359#123359

#123359 is a dark, moderate cyan. Relative luminance 0.032; OKLCH L 31.9% C 0.078 H 254.1°. Best body text is #FFFFFF at 12.78:1 contrast (WCAG AA passes).

Color values

HEX	#123359
RGB	rgb(18, 51, 89)
HSL	hsl(212, 66%, 21%)
HSV	hsv(212, 80%, 35%)
CMYK	cmyk(79.8%, 42.7%, 0%, 65.1%)
CIE-LAB	lab(20.89, 3.03, -26.32)
CIE-LCH	lch(20.89, 26.50, 276.56°)
OKLab	oklab(31.86% -0.0215 -0.0751)
OKLCH	oklch(31.86% 0.078 254.1)
XYZ	xyz(3.2358, 3.2172, 9.8997)
Luminance	0.0322 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#123359 #593812

analogous

#125659 #123359 #151259

triadic

#123359 #591233 #335912

tetradic

#123359 #591256 #593812 #125915

square

#123359 #591256 #593812 #125915

split-complementary

#123359 #591512 #565912

monochromatic

#050F19 #081626 #123359 #1C508C #276DBF

Accessibility & contrast

On white

12.78

#123359 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.64

#123359 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #123359

12.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##123359	#FFFFFF	#000000	##FFFFFF
##123359	1.00	12.78	1.64	12.78
#FFFFFF	12.78	1.00	21.00	1.00
#000000	1.64	21.00	1.00	21.00
##FFFFFF	12.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#21365B

Deuteranopia (green-blind)

#162F58

Tritanopia (blue-blind)

#003C41

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #123359;
/* rgb */ color: rgb(18, 51, 89);
/* oklch */ color: oklch(31.9% 0.078 254.1);

Tailwind

colors: {
  custom: {
    50: '#5b6a88',
    500: '#123359',
    950: '#000000',
  },
}

SCSS

$custom: #123359;
$custom-light: #5b6a88;
$custom-dark: #000000;

JSON

{
  "hex": "#123359",
  "rgb": {
    "r": 18,
    "g": 51,
    "b": 89
  },
  "hsl": {
    "h": 212.113,
    "s": 66.355,
    "l": 20.98
  },
  "oklch": {
    "l": 0.31862,
    "c": 0.07812,
    "h": 254.1
  },
  "luminance": 0.03218
}

Semantic roles & 50–950 ramp

primary

#123359

secondary

#926735

accent

#9A3FE9

background

#F5F6F8

surface

#E9EBF0

border

#C5C6CB

text

#04060B

muted

#797A7C

Preview Lab

Preview with #123359

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

Preview Lab → · Contrast checker → · Palette generator →