#123259#123259

#123259 is a dark, moderate cyan. Relative luminance 0.031; OKLCH L 31.6% C 0.079 H 255.1°. Best body text is #FFFFFF at 12.91:1 contrast (WCAG AA passes).

Color values

HEX	#123259
RGB	rgb(18, 50, 89)
HSL	hsl(213, 66%, 21%)
HSV	hsv(213, 80%, 35%)
CMYK	cmyk(79.8%, 43.8%, 0%, 65.1%)
CIE-LAB	lab(20.56, 3.74, -26.85)
CIE-LCH	lch(20.56, 27.11, 277.93°)
OKLab	oklab(31.6% -0.0204 -0.0767)
OKLCH	oklch(31.6% 0.079 255.1)
XYZ	xyz(3.1926, 3.1307, 9.8853)
Luminance	0.0313 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#123259 #593912

analogous

#125559 #123259 #151259

triadic

#123259 #591232 #325912

tetradic

#123259 #591255 #593912 #125915

square

#123259 #591255 #593912 #125915

split-complementary

#123259 #591512 #555912

monochromatic

#050E19 #081526 #123259 #1C4F8C #276BBF

Accessibility & contrast

On white

12.91

#123259 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.63

#123259 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #123259

12.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##123259	#FFFFFF	#000000	##FFFFFF
##123259	1.00	12.91	1.63	12.91
#FFFFFF	12.91	1.00	21.00	1.00
#000000	1.63	21.00	1.00	21.00
##FFFFFF	12.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1F355B

Deuteranopia (green-blind)

#142F58

Tritanopia (blue-blind)

#003B41

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #123259;
/* rgb */ color: rgb(18, 50, 89);
/* oklch */ color: oklch(31.6% 0.079 255.1);

Tailwind

colors: {
  custom: {
    50: '#5b6988',
    500: '#123259',
    950: '#000000',
  },
}

SCSS

$custom: #123259;
$custom-light: #5b6988;
$custom-dark: #000000;

JSON

{
  "hex": "#123259",
  "rgb": {
    "r": 18,
    "g": 50,
    "b": 89
  },
  "hsl": {
    "h": 212.958,
    "s": 66.355,
    "l": 20.98
  },
  "oklch": {
    "l": 0.31602,
    "c": 0.07936,
    "h": 255.1
  },
  "luminance": 0.03131
}

Semantic roles & 50–950 ramp

primary

#123259

secondary

#926835

accent

#9C3FE9

background

#F5F6F8

surface

#E9EBF0

border

#C5C6CB

text

#04060B

muted

#797A7C

Preview Lab

Preview with #123259

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

Preview Lab → · Contrast checker → · Palette generator →