#183147#183147

#183147 is a dark, muted cyan. Relative luminance 0.028; OKLCH L 30.4% C 0.051 H 246.9°. Best body text is #FFFFFF at 13.38:1 contrast (WCAG AA passes).

Color values

HEX	#183147
RGB	rgb(24, 49, 71)
HSL	hsl(208, 49%, 19%)
HSV	hsv(208, 66%, 28%)
CMYK	cmyk(66.2%, 31%, 0%, 72.2%)
CIE-LAB	lab(19.41, -1.76, -16.59)
CIE-LCH	lch(19.41, 16.68, 263.93°)
OKLab	oklab(30.43% -0.0199 -0.0466)
OKLCH	oklch(30.43% 0.051 246.9)
XYZ	xyz(2.6119, 2.8455, 6.3716)
Luminance	0.0285 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#183147 #472E18

analogous

#184745 #183147 #181947

triadic

#183147 #471831 #314718

tetradic

#183147 #451847 #472E18 #194718

square

#183147 #451847 #472E18 #194718

split-complementary

#183147 #471819 #474518

monochromatic

#081017 #091119 #183147 #275175 #3770A2

Accessibility & contrast

On white

13.38

#183147 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.57

#183147 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #183147

13.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##183147	#FFFFFF	#000000	##FFFFFF
##183147	1.00	13.38	1.57	13.38
#FFFFFF	13.38	1.00	21.00	1.00
#000000	1.57	21.00	1.00	21.00
##FFFFFF	13.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#283248

Deuteranopia (green-blind)

#212D47

Tritanopia (blue-blind)

#003639

Achromatopsia (no color)

#2F2F2F

Design tokens & code

CSS

--color: #183147;
/* rgb */ color: rgb(24, 49, 71);
/* oklch */ color: oklch(30.4% 0.051 246.9);

Tailwind

colors: {
  custom: {
    50: '#5a687a',
    500: '#183147',
    950: '#000000',
  },
}

SCSS

$custom: #183147;
$custom-light: #5a687a;
$custom-dark: #000000;

JSON

{
  "hex": "#183147",
  "rgb": {
    "r": 24,
    "g": 49,
    "b": 71
  },
  "hsl": {
    "h": 208.085,
    "s": 49.474,
    "l": 18.627
  },
  "oklch": {
    "l": 0.30429,
    "c": 0.05071,
    "h": 246.9
  },
  "luminance": 0.02846
}

Semantic roles & 50–950 ramp

primary

#183147

secondary

#7E5B3D

accent

#8F4FD9

background

#F5F6F7

surface

#E9EBED

border

#C5C6C8

text

#040609

muted

#797A7B

Preview Lab

Preview with #183147

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

Preview Lab → · Contrast checker → · Palette generator →