#183E49#183E49

#183E49 is a dark, muted cyan. Relative luminance 0.041; OKLCH L 34.2% C 0.047 H 219.7°. Best body text is #FFFFFF at 11.51:1 contrast (WCAG AA passes).

Color values

HEX	#183E49
RGB	rgb(24, 62, 73)
HSL	hsl(193, 51%, 19%)
HSV	hsv(193, 67%, 29%)
CMYK	cmyk(67.1%, 15.1%, 0%, 71.4%)
CIE-LAB	lab(24.06, -9.55, -10.75)
CIE-LCH	lch(24.06, 14.38, 228.37°)
OKLab	oklab(34.16% -0.036 -0.0299)
OKLCH	oklch(34.16% 0.047 219.7)
XYZ	xyz(3.3014, 4.1201, 6.9233)
Luminance	0.0412 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#183E49 #492318

analogous

#18493C #183E49 #182649

triadic

#183E49 #49183E #3E4918

tetradic

#183E49 #3C1849 #492318 #264918

square

#183E49 #3C1849 #492318 #264918

split-complementary

#183E49 #491826 #493C18

monochromatic

#081417 #09171B #183E49 #276577 #368CA5

Accessibility & contrast

On white

11.51

#183E49 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.82

#183E49 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #183E49

11.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##183E49	#FFFFFF	#000000	##FFFFFF
##183E49	1.00	11.51	1.82	11.51
#FFFFFF	11.51	1.00	21.00	1.00
#000000	1.82	21.00	1.00	21.00
##FFFFFF	11.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#373C4A

Deuteranopia (green-blind)

#303749

Tritanopia (blue-blind)

#004241

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #183e49;
/* rgb */ color: rgb(24, 62, 73);
/* oklch */ color: oklch(34.2% 0.047 219.7);

Tailwind

colors: {
  custom: {
    50: '#5b737b',
    500: '#183e49',
    950: '#000000',
  },
}

SCSS

$custom: #183e49;
$custom-light: #5b737b;
$custom-dark: #000000;

JSON

{
  "hex": "#183e49",
  "rgb": {
    "r": 24,
    "g": 62,
    "b": 73
  },
  "hsl": {
    "h": 193.469,
    "s": 50.515,
    "l": 19.02
  },
  "oklch": {
    "l": 0.34157,
    "c": 0.04679,
    "h": 219.7
  },
  "luminance": 0.0412
}

Semantic roles & 50–950 ramp

primary

#183E49

secondary

#804C3D

accent

#6D4EDA

background

#F5F6F7

surface

#E9ECEE

border

#C5C7C9

text

#040809

muted

#797B7B

Preview Lab

Preview with #183E49

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

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