#183350#183350

#183350 is a dark, moderate cyan. Relative luminance 0.031; OKLCH L 31.5% C 0.062 H 251.9°. Best body text is #FFFFFF at 12.90:1 contrast (WCAG AA passes).

Color values

HEX	#183350
RGB	rgb(24, 51, 80)
HSL	hsl(211, 54%, 20%)
HSV	hsv(211, 70%, 31%)
CMYK	cmyk(70%, 36.3%, 0%, 68.6%)
CIE-LAB	lab(20.60, 0.40, -20.79)
CIE-LCH	lch(20.60, 20.79, 271.11°)
OKLab	oklab(31.52% -0.0193 -0.0588)
OKLCH	oklch(31.52% 0.062 251.9)
XYZ	xyz(3.0080, 3.1407, 8.0356)
Luminance	0.0314 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#183350 #503518

analogous

#184F50 #183350 #191850

triadic

#183350 #501833 #335018

tetradic

#183350 #50184F #503518 #185019

square

#183350 #50184F #503518 #185019

split-complementary

#183350 #501918 #4F5018

monochromatic

#070F18 #0A1521 #183350 #26517F #346FAE

Accessibility & contrast

On white

12.90

#183350 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.63

#183350 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #183350

12.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##183350	#FFFFFF	#000000	##FFFFFF
##183350	1.00	12.90	1.63	12.90
#FFFFFF	12.90	1.00	21.00	1.00
#000000	1.63	21.00	1.00	21.00
##FFFFFF	12.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#263551

Deuteranopia (green-blind)

#1F2F4F

Tritanopia (blue-blind)

#003A3D

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #183350;
/* rgb */ color: rgb(24, 51, 80);
/* oklch */ color: oklch(31.5% 0.062 251.9);

Tailwind

colors: {
  custom: {
    50: '#5c6a81',
    500: '#183350',
    950: '#000000',
  },
}

SCSS

$custom: #183350;
$custom-light: #5c6a81;
$custom-dark: #000000;

JSON

{
  "hex": "#183350",
  "rgb": {
    "r": 24,
    "g": 51,
    "b": 80
  },
  "hsl": {
    "h": 211.071,
    "s": 53.846,
    "l": 20.392
  },
  "oklch": {
    "l": 0.31524,
    "c": 0.06191,
    "h": 251.9
  },
  "luminance": 0.03141
}

Semantic roles & 50–950 ramp

primary

#183350

secondary

#87633D

accent

#974BDD

background

#F5F6F7

surface

#E9EBEE

border

#C5C6C9

text

#04060A

muted

#797A7C

Preview Lab

Preview with #183350

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

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