#123158#123158

#123158 is a dark, moderate cyan. Relative luminance 0.030; OKLCH L 31.3% C 0.079 H 255.6°. Best body text is #FFFFFF at 13.08:1 contrast (WCAG AA passes).

Color values

HEX	#123158
RGB	rgb(18, 49, 88)
HSL	hsl(213, 66%, 21%)
HSV	hsv(213, 80%, 35%)
CMYK	cmyk(79.5%, 44.3%, 0%, 65.5%)
CIE-LAB	lab(20.16, 4.03, -26.83)
CIE-LCH	lch(20.16, 27.13, 278.54°)
OKLab	oklab(31.27% -0.0196 -0.0766)
OKLCH	oklch(31.27% 0.079 255.6)
XYZ	xyz(3.1086, 3.0295, 9.6515)
Luminance	0.0303 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#123158 #583912

analogous

#125458 #123158 #161258

triadic

#123158 #581231 #315812

tetradic

#123158 #581254 #583912 #125816

square

#123158 #581254 #583912 #125816

split-complementary

#123158 #581612 #545812

monochromatic

#050E19 #081525 #123158 #1C4D8B #276ABE

Accessibility & contrast

On white

13.08

#123158 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.61

#123158 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #123158

13.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##123158	#FFFFFF	#000000	##FFFFFF
##123158	1.00	13.08	1.61	13.08
#FFFFFF	13.08	1.00	21.00	1.00
#000000	1.61	21.00	1.00	21.00
##FFFFFF	13.08	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1E345A

Deuteranopia (green-blind)

#132E57

Tritanopia (blue-blind)

#003A40

Achromatopsia (no color)

#313131

Design tokens & code

CSS

--color: #123158;
/* rgb */ color: rgb(18, 49, 88);
/* oklch */ color: oklch(31.3% 0.079 255.6);

Tailwind

colors: {
  custom: {
    50: '#5b6887',
    500: '#123158',
    950: '#000000',
  },
}

SCSS

$custom: #123158;
$custom-light: #5b6887;
$custom-dark: #000000;

JSON

{
  "hex": "#123158",
  "rgb": {
    "r": 18,
    "g": 49,
    "b": 88
  },
  "hsl": {
    "h": 213.429,
    "s": 66.038,
    "l": 20.784
  },
  "oklch": {
    "l": 0.31271,
    "c": 0.07909,
    "h": 255.6
  },
  "luminance": 0.0303
}

Semantic roles & 50–950 ramp

primary

#123158

secondary

#916835

accent

#9E3FE9

background

#F5F6F8

surface

#E9EBEF

border

#C5C6CA

text

#04060B

muted

#797A7C

Preview Lab

Preview with #123158

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

Preview Lab → · Contrast checker → · Palette generator →