#183349#183349

#183349 is a dark, muted cyan. Relative luminance 0.030; OKLCH L 31.1% C 0.052 H 245.1°. Best body text is #FFFFFF at 13.05:1 contrast (WCAG AA passes).

Color values

HEX	#183349
RGB	rgb(24, 51, 73)
HSL	hsl(207, 51%, 19%)
HSV	hsv(207, 67%, 29%)
CMYK	cmyk(67.1%, 30.1%, 0%, 71.4%)
CIE-LAB	lab(20.21, -2.36, -16.69)
CIE-LCH	lch(20.21, 16.86, 261.95°)
OKLab	oklab(31.09% -0.0217 -0.0469)
OKLCH	oklch(31.09% 0.052 245.1)
XYZ	xyz(2.7627, 3.0426, 6.7437)
Luminance	0.0304 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#183349 #492E18

analogous

#184947 #183349 #181B49

triadic

#183349 #491833 #334918

tetradic

#183349 #471849 #492E18 #1B4918

square

#183349 #471849 #492E18 #1B4918

split-complementary

#183349 #49181B #494718

monochromatic

#081017 #09131B #183349 #275377 #3673A5

Accessibility & contrast

On white

13.05

#183349 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.61

#183349 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #183349

13.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##183349	#FFFFFF	#000000	##FFFFFF
##183349	1.00	13.05	1.61	13.05
#FFFFFF	13.05	1.00	21.00	1.00
#000000	1.61	21.00	1.00	21.00
##FFFFFF	13.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#29334A

Deuteranopia (green-blind)

#232F49

Tritanopia (blue-blind)

#00383B

Achromatopsia (no color)

#313131

Design tokens & code

CSS

--color: #183349;
/* rgb */ color: rgb(24, 51, 73);
/* oklch */ color: oklch(31.1% 0.052 245.1);

Tailwind

colors: {
  custom: {
    50: '#5a6a7c',
    500: '#183349',
    950: '#000000',
  },
}

SCSS

$custom: #183349;
$custom-light: #5a6a7c;
$custom-dark: #000000;

JSON

{
  "hex": "#183349",
  "rgb": {
    "r": 24,
    "g": 51,
    "b": 73
  },
  "hsl": {
    "h": 206.939,
    "s": 50.515,
    "l": 19.02
  },
  "oklch": {
    "l": 0.31094,
    "c": 0.05172,
    "h": 245.1
  },
  "luminance": 0.03043
}

Semantic roles & 50–950 ramp

primary

#183349

secondary

#805B3D

accent

#8D4EDA

background

#F5F6F7

surface

#E9EBEE

border

#C5C6C9

text

#040609

muted

#797A7B

Preview Lab

Preview with #183349

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

Preview Lab → · Contrast checker → · Palette generator →