#183345#183345

#183345 is a dark, muted cyan. Relative luminance 0.030; OKLCH L 30.9% C 0.046 H 239.8°. Best body text is #FFFFFF at 13.14:1 contrast (WCAG AA passes).

Color values

HEX	#183345
RGB	rgb(24, 51, 69)
HSL	hsl(204, 48%, 18%)
HSV	hsv(204, 65%, 27%)
CMYK	cmyk(65.2%, 26.1%, 0%, 72.9%)
CIE-LAB	lab(20.01, -3.90, -14.31)
CIE-LCH	lch(20.01, 14.83, 254.76°)
OKLab	oklab(30.87% -0.0233 -0.0401)
OKLCH	oklch(30.87% 0.046 239.8)
XYZ	xyz(2.6343, 2.9913, 6.0676)
Luminance	0.0299 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#183345 #452A18

analogous

#184540 #183345 #181C45

triadic

#183345 #451833 #334518

tetradic

#183345 #401845 #452A18 #1C4518

square

#183345 #401845 #452A18 #1C4518

split-complementary

#183345 #45181C #454018

monochromatic

#081117 #081118 #183345 #285572 #3876A0

Accessibility & contrast

On white

13.14

#183345 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.60

#183345 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #183345

13.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##183345	#FFFFFF	#000000	##FFFFFF
##183345	1.00	13.14	1.60	13.14
#FFFFFF	13.14	1.00	21.00	1.00
#000000	1.60	21.00	1.00	21.00
##FFFFFF	13.14	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2B3346

Deuteranopia (green-blind)

#252E45

Tritanopia (blue-blind)

#003839

Achromatopsia (no color)

#303030

Design tokens & code

CSS

--color: #183345;
/* rgb */ color: rgb(24, 51, 69);
/* oklch */ color: oklch(30.9% 0.046 239.8);

Tailwind

colors: {
  custom: {
    50: '#5a6a78',
    500: '#183345',
    950: '#000000',
  },
}

SCSS

$custom: #183345;
$custom-light: #5a6a78;
$custom-dark: #000000;

JSON

{
  "hex": "#183345",
  "rgb": {
    "r": 24,
    "g": 51,
    "b": 69
  },
  "hsl": {
    "h": 204,
    "s": 48.387,
    "l": 18.235
  },
  "oklch": {
    "l": 0.30865,
    "c": 0.04635,
    "h": 239.8
  },
  "luminance": 0.02992
}

Semantic roles & 50–950 ramp

primary

#183345

secondary

#7C563D

accent

#8650D8

background

#F5F6F7

surface

#E9EBED

border

#C5C6C8

text

#040609

muted

#797A7B

Preview Lab

Preview with #183345

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

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