#183C44#183C44

#183C44 is a dark, muted cyan. Relative luminance 0.038; OKLCH L 33.4% C 0.043 H 214.4°. Best body text is #FFFFFF at 11.87:1 contrast (WCAG AA passes).

Color values

HEX	#183C44
RGB	rgb(24, 60, 68)
HSL	hsl(191, 48%, 18%)
HSV	hsv(191, 65%, 27%)
CMYK	cmyk(64.7%, 11.8%, 0%, 73.3%)
CIE-LAB	lab(23.15, -10.09, -8.82)
CIE-LCH	lch(23.15, 13.41, 221.16°)
OKLab	oklab(33.35% -0.0358 -0.0245)
OKLCH	oklch(33.35% 0.043 214.4)
XYZ	xyz(3.0355, 3.8430, 6.0495)
Luminance	0.0384 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#183C44 #442018

analogous

#184436 #183C44 #182644

triadic

#183C44 #44183C #3C4418

tetradic

#183C44 #361844 #442018 #264418

square

#183C44 #361844 #442018 #264418

split-complementary

#183C44 #441826 #443618

monochromatic

#081417 #081417 #183C44 #286471 #388C9E

Accessibility & contrast

On white

11.87

#183C44 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.77

#183C44 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #183C44

11.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##183C44	#FFFFFF	#000000	##FFFFFF
##183C44	1.00	11.87	1.77	11.87
#FFFFFF	11.87	1.00	21.00	1.00
#000000	1.77	21.00	1.00	21.00
##FFFFFF	11.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#363A44

Deuteranopia (green-blind)

#303544

Tritanopia (blue-blind)

#003F3E

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #183c44;
/* rgb */ color: rgb(24, 60, 68);
/* oklch */ color: oklch(33.4% 0.043 214.4);

Tailwind

colors: {
  custom: {
    50: '#5a7177',
    500: '#183c44',
    950: '#000000',
  },
}

SCSS

$custom: #183c44;
$custom-light: #5a7177;
$custom-dark: #000000;

JSON

{
  "hex": "#183c44",
  "rgb": {
    "r": 24,
    "g": 60,
    "b": 68
  },
  "hsl": {
    "h": 190.909,
    "s": 47.826,
    "l": 18.039
  },
  "oklch": {
    "l": 0.3335,
    "c": 0.04333,
    "h": 214.4
  },
  "luminance": 0.03843
}

Semantic roles & 50–950 ramp

primary

#183C44

secondary

#7B483D

accent

#6950D7

background

#F5F6F7

surface

#E9ECED

border

#C5C7C8

text

#040708

muted

#797A7B

Preview Lab

Preview with #183C44

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

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