#123E52#123E52

#123E52 is a dark, muted cyan. Relative luminance 0.042; OKLCH L 34.4% C 0.059 H 231.9°. Best body text is #FFFFFF at 11.43:1 contrast (WCAG AA passes).

Color values

HEX	#123E52
RGB	rgb(18, 62, 82)
HSL	hsl(199, 64%, 20%)
HSV	hsv(199, 78%, 32%)
CMYK	cmyk(78%, 24.4%, 0%, 67.8%)
CIE-LAB	lab(24.27, -7.30, -16.40)
CIE-LCH	lch(24.27, 17.95, 246.00°)
OKLab	oklab(34.39% -0.0361 -0.0461)
OKLCH	oklch(34.39% 0.059 231.9)
XYZ	xyz(3.4945, 4.1826, 8.6042)
Luminance	0.0418 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#123E52 #522612

analogous

#125246 #123E52 #121E52

triadic

#123E52 #52123E #3E5212

tetradic

#123E52 #461252 #522612 #1E5212

square

#123E52 #461252 #522612 #1E5212

split-complementary

#123E52 #52121E #524612

monochromatic

#061319 #071820 #123E52 #1D6484 #288AB6

Accessibility & contrast

On white

11.43

#123E52 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.84

#123E52 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #123E52

11.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##123E52	#FFFFFF	#000000	##FFFFFF
##123E52	1.00	11.43	1.84	11.43
#FFFFFF	11.43	1.00	21.00	1.00
#000000	1.84	21.00	1.00	21.00
##FFFFFF	11.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#343D53

Deuteranopia (green-blind)

#2B3752

Tritanopia (blue-blind)

#004345

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #123e52;
/* rgb */ color: rgb(18, 62, 82);
/* oklch */ color: oklch(34.4% 0.059 231.9);

Tailwind

colors: {
  custom: {
    50: '#5a7382',
    500: '#123e52',
    950: '#000000',
  },
}

SCSS

$custom: #123e52;
$custom-light: #5a7382;
$custom-dark: #000000;

JSON

{
  "hex": "#123e52",
  "rgb": {
    "r": 18,
    "g": 62,
    "b": 82
  },
  "hsl": {
    "h": 198.75,
    "s": 64,
    "l": 19.608
  },
  "oklch": {
    "l": 0.34395,
    "c": 0.05855,
    "h": 231.9
  },
  "luminance": 0.04183
}

Semantic roles & 50–950 ramp

primary

#123E52

secondary

#8B5035

accent

#7541E7

background

#F5F6F7

surface

#E9ECEE

border

#C5C7C9

text

#04080A

muted

#797B7C

Preview Lab

Preview with #123E52

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

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