#183452#183452

#183452 is a dark, moderate cyan. Relative luminance 0.033; OKLCH L 31.9% C 0.064 H 251.9°. Best body text is #FFFFFF at 12.71:1 contrast (WCAG AA passes).

Color values

HEX	#183452
RGB	rgb(24, 52, 82)
HSL	hsl(211, 55%, 21%)
HSV	hsv(211, 71%, 32%)
CMYK	cmyk(70.7%, 36.6%, 0%, 67.8%)
CIE-LAB	lab(21.05, 0.50, -21.41)
CIE-LCH	lch(21.05, 21.41, 271.35°)
OKLab	oklab(31.92% -0.0198 -0.0606)
OKLCH	oklch(31.92% 0.064 251.9)
XYZ	xyz(3.1271, 3.2591, 8.4453)
Luminance	0.0326 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#183452 #523618

analogous

#185152 #183452 #191852

triadic

#183452 #521834 #345218

tetradic

#183452 #521851 #523618 #185219

square

#183452 #521851 #523618 #185219

split-complementary

#183452 #521918 #515218

monochromatic

#070F18 #0A1623 #183452 #265281 #3470B1

Accessibility & contrast

On white

12.71

#183452 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.65

#183452 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #183452

12.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##183452	#FFFFFF	#000000	##FFFFFF
##183452	1.00	12.71	1.65	12.71
#FFFFFF	12.71	1.00	21.00	1.00
#000000	1.65	21.00	1.00	21.00
##FFFFFF	12.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#273653

Deuteranopia (green-blind)

#1F3051

Tritanopia (blue-blind)

#003B3F

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #183452;
/* rgb */ color: rgb(24, 52, 82);
/* oklch */ color: oklch(31.9% 0.064 251.9);

Tailwind

colors: {
  custom: {
    50: '#5c6b83',
    500: '#183452',
    950: '#000000',
  },
}

SCSS

$custom: #183452;
$custom-light: #5c6b83;
$custom-dark: #000000;

JSON

{
  "hex": "#183452",
  "rgb": {
    "r": 24,
    "g": 52,
    "b": 82
  },
  "hsl": {
    "h": 211.034,
    "s": 54.717,
    "l": 20.784
  },
  "oklch": {
    "l": 0.31917,
    "c": 0.06379,
    "h": 251.9
  },
  "luminance": 0.03259
}

Semantic roles & 50–950 ramp

primary

#183452

secondary

#89643D

accent

#964ADE

background

#F5F6F8

surface

#E9EBEF

border

#C5C6CA

text

#04060A

muted

#797A7C

Preview Lab

Preview with #183452

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

Preview Lab → · Contrast checker → · Palette generator →