#123E48#123E48

#123E48 is a dark, muted cyan. Relative luminance 0.040; OKLCH L 33.9% C 0.050 H 215.7°. Best body text is #FFFFFF at 11.61:1 contrast (WCAG AA passes).

Color values

HEX	#123E48
RGB	rgb(18, 62, 72)
HSL	hsl(191, 60%, 18%)
HSV	hsv(191, 75%, 28%)
CMYK	cmyk(75%, 13.9%, 0%, 71.8%)
CIE-LAB	lab(23.81, -11.13, -10.50)
CIE-LCH	lch(23.81, 15.30, 223.33°)
OKLab	oklab(33.88% -0.0406 -0.0292)
OKLCH	oklch(33.88% 0.05 215.7)
XYZ	xyz(3.1413, 4.0414, 6.7441)
Luminance	0.0404 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#123E48 #481C12

analogous

#124837 #123E48 #122348

triadic

#123E48 #48123E #3E4812

tetradic

#123E48 #371248 #481C12 #234812

square

#123E48 #371248 #481C12 #234812

split-complementary

#123E48 #481223 #483712

monochromatic

#061518 #061518 #123E48 #1E6879 #2A92AA

Accessibility & contrast

On white

11.61

#123E48 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.81

#123E48 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #123E48

11.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##123E48	#FFFFFF	#000000	##FFFFFF
##123E48	1.00	11.61	1.81	11.61
#FFFFFF	11.61	1.00	21.00	1.00
#000000	1.81	21.00	1.00	21.00
##FFFFFF	11.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#373C49

Deuteranopia (green-blind)

#2F3648

Tritanopia (blue-blind)

#004241

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #123e48;
/* rgb */ color: rgb(18, 62, 72);
/* oklch */ color: oklch(33.9% 0.050 215.7);

Tailwind

colors: {
  custom: {
    50: '#58737b',
    500: '#123e48',
    950: '#000000',
  },
}

SCSS

$custom: #123e48;
$custom-light: #58737b;
$custom-dark: #000000;

JSON

{
  "hex": "#123e48",
  "rgb": {
    "r": 18,
    "g": 62,
    "b": 72
  },
  "hsl": {
    "h": 191.111,
    "s": 60,
    "l": 17.647
  },
  "oklch": {
    "l": 0.33876,
    "c": 0.05002,
    "h": 215.7
  },
  "luminance": 0.04042
}

Semantic roles & 50–950 ramp

primary

#123E48

secondary

#814335

accent

#6245E3

background

#F5F6F7

surface

#E9ECED

border

#C5C7C8

text

#040809

muted

#797B7B

Preview Lab

Preview with #123E48

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

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