#183C46#183C46

#183C46 is a dark, muted cyan. Relative luminance 0.039; OKLCH L 33.4% C 0.045 H 218.7°. Best body text is #FFFFFF at 11.84:1 contrast (WCAG AA passes).

Color values

HEX	#183C46
RGB	rgb(24, 60, 70)
HSL	hsl(193, 49%, 18%)
HSV	hsv(193, 66%, 27%)
CMYK	cmyk(65.7%, 14.3%, 0%, 72.5%)
CIE-LAB	lab(23.23, -9.38, -10.03)
CIE-LCH	lch(23.23, 13.73, 226.91°)
OKLab	oklab(33.45% -0.0348 -0.0278)
OKLCH	oklch(33.45% 0.045 218.7)
XYZ	xyz(3.0976, 3.8678, 6.3765)
Luminance	0.0387 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#183C46 #462218

analogous

#184639 #183C46 #182546

triadic

#183C46 #46183C #3C4618

tetradic

#183C46 #391846 #462218 #254618

square

#183C46 #391846 #462218 #254618

split-complementary

#183C46 #461825 #463918

monochromatic

#081417 #081518 #183C46 #286374 #378AA1

Accessibility & contrast

On white

11.84

#183C46 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.77

#183C46 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #183C46

11.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##183C46	#FFFFFF	#000000	##FFFFFF
##183C46	1.00	11.84	1.77	11.84
#FFFFFF	11.84	1.00	21.00	1.00
#000000	1.77	21.00	1.00	21.00
##FFFFFF	11.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#363A47

Deuteranopia (green-blind)

#2F3546

Tritanopia (blue-blind)

#003F3F

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #183c46;
/* rgb */ color: rgb(24, 60, 70);
/* oklch */ color: oklch(33.4% 0.045 218.7);

Tailwind

colors: {
  custom: {
    50: '#5a7179',
    500: '#183c46',
    950: '#000000',
  },
}

SCSS

$custom: #183c46;
$custom-light: #5a7179;
$custom-dark: #000000;

JSON

{
  "hex": "#183c46",
  "rgb": {
    "r": 24,
    "g": 60,
    "b": 70
  },
  "hsl": {
    "h": 193.043,
    "s": 48.936,
    "l": 18.431
  },
  "oklch": {
    "l": 0.33445,
    "c": 0.04458,
    "h": 218.7
  },
  "luminance": 0.03868
}

Semantic roles & 50–950 ramp

primary

#183C46

secondary

#7D4B3D

accent

#6D4FD8

background

#F5F6F7

surface

#E9ECED

border

#C5C7C8

text

#040709

muted

#797A7B

Preview Lab

Preview with #183C46

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

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