#183344#183344

#183344 is a dark, muted cyan. Relative luminance 0.030; OKLCH L 30.8% C 0.045 H 238.2°. Best body text is #FFFFFF at 13.16:1 contrast (WCAG AA passes).

Color values

HEX	#183344
RGB	rgb(24, 51, 68)
HSL	hsl(203, 48%, 18%)
HSV	hsv(203, 65%, 27%)
CMYK	cmyk(64.7%, 25%, 0%, 73.3%)
CIE-LAB	lab(19.96, -4.28, -13.71)
CIE-LCH	lch(19.96, 14.36, 252.67°)
OKLab	oklab(30.81% -0.0237 -0.0383)
OKLCH	oklch(30.81% 0.045 238.2)
XYZ	xyz(2.6035, 2.9790, 5.9055)
Luminance	0.0298 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#183344 #442918

analogous

#18443F #183344 #181D44

triadic

#183344 #441833 #334418

tetradic

#183344 #3F1844 #442918 #1D4418

square

#183344 #3F1844 #442918 #1D4418

split-complementary

#183344 #44181D #443F18

monochromatic

#081117 #081117 #183344 #285571 #38779E

Accessibility & contrast

On white

13.16

#183344 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.60

#183344 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #183344

13.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##183344	#FFFFFF	#000000	##FFFFFF
##183344	1.00	13.16	1.60	13.16
#FFFFFF	13.16	1.00	21.00	1.00
#000000	1.60	21.00	1.00	21.00
##FFFFFF	13.16	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2B3345

Deuteranopia (green-blind)

#252E44

Tritanopia (blue-blind)

#003739

Achromatopsia (no color)

#303030

Design tokens & code

CSS

--color: #183344;
/* rgb */ color: rgb(24, 51, 68);
/* oklch */ color: oklch(30.8% 0.045 238.2);

Tailwind

colors: {
  custom: {
    50: '#596a78',
    500: '#183344',
    950: '#000000',
  },
}

SCSS

$custom: #183344;
$custom-light: #596a78;
$custom-dark: #000000;

JSON

{
  "hex": "#183344",
  "rgb": {
    "r": 24,
    "g": 51,
    "b": 68
  },
  "hsl": {
    "h": 203.182,
    "s": 47.826,
    "l": 18.039
  },
  "oklch": {
    "l": 0.30809,
    "c": 0.04508,
    "h": 238.2
  },
  "luminance": 0.02979
}

Semantic roles & 50–950 ramp

primary

#183344

secondary

#7B553D

accent

#8550D7

background

#F5F6F7

surface

#E9EBED

border

#C5C6C8

text

#040608

muted

#797A7B

Preview Lab

Preview with #183344

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

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