#182E4B#182E4B

#182E4B is a dark, moderate cyan. Relative luminance 0.027; OKLCH L 29.9% C 0.060 H 255.9°. Best body text is #FFFFFF at 13.71:1 contrast (WCAG AA passes).

Color values

HEX	#182E4B
RGB	rgb(24, 46, 75)
HSL	hsl(214, 52%, 19%)
HSV	hsv(214, 68%, 29%)
CMYK	cmyk(68%, 38.7%, 0%, 70.6%)
CIE-LAB	lab(18.61, 1.92, -20.56)
CIE-LCH	lch(18.61, 20.65, 275.34°)
OKLab	oklab(29.87% -0.0146 -0.0582)
OKLCH	oklch(29.87% 0.06 255.9)
XYZ	xyz(2.6232, 2.6559, 7.0297)
Luminance	0.0266 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#182E4B #4B3518

analogous

#18484B #182E4B #1C184B

triadic

#182E4B #4B182E #2E4B18

tetradic

#182E4B #4B1848 #4B3518 #184B1C

square

#182E4B #4B1848 #4B3518 #184B1C

split-complementary

#182E4B #4B1C18 #484B18

monochromatic

#070E17 #09121D #182E4B #274A79 #3667A8

Accessibility & contrast

On white

13.71

#182E4B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.53

#182E4B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #182E4B

13.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##182E4B	#FFFFFF	#000000	##FFFFFF
##182E4B	1.00	13.71	1.53	13.71
#FFFFFF	13.71	1.00	21.00	1.00
#000000	1.53	21.00	1.00	21.00
##FFFFFF	13.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#22304C

Deuteranopia (green-blind)

#1B2B4A

Tritanopia (blue-blind)

#003539

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #182e4b;
/* rgb */ color: rgb(24, 46, 75);
/* oklch */ color: oklch(29.9% 0.060 255.9);

Tailwind

colors: {
  custom: {
    50: '#5a667d',
    500: '#182e4b',
    950: '#000000',
  },
}

SCSS

$custom: #182e4b;
$custom-light: #5a667d;
$custom-dark: #000000;

JSON

{
  "hex": "#182e4b",
  "rgb": {
    "r": 24,
    "g": 46,
    "b": 75
  },
  "hsl": {
    "h": 214.118,
    "s": 51.515,
    "l": 19.412
  },
  "oklch": {
    "l": 0.29872,
    "c": 0.06003,
    "h": 255.9
  },
  "luminance": 0.02656
}

Semantic roles & 50–950 ramp

primary

#182E4B

secondary

#82643D

accent

#9E4DDB

background

#F5F6F7

surface

#E9EBEE

border

#C5C6C9

text

#040509

muted

#797A7B

Preview Lab

Preview with #182E4B

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

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