#182E43#182E43

#182E43 is a dark, muted cyan. Relative luminance 0.026; OKLCH L 29.4% C 0.048 H 248.7°. Best body text is #FFFFFF at 13.90:1 contrast (WCAG AA passes).

Color values

HEX	#182E43
RGB	rgb(24, 46, 67)
HSL	hsl(209, 47%, 18%)
HSV	hsv(209, 64%, 26%)
CMYK	cmyk(64.2%, 31.3%, 0%, 73.7%)
CIE-LAB	lab(18.16, -1.23, -15.83)
CIE-LCH	lch(18.16, 15.87, 265.55°)
OKLab	oklab(29.37% -0.0173 -0.0445)
OKLCH	oklch(29.37% 0.048 248.7)
XYZ	xyz(2.3664, 2.5532, 5.6772)
Luminance	0.0255 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#182E43 #432D18

analogous

#184342 #182E43 #181843

triadic

#182E43 #43182E #2E4318

tetradic

#182E43 #421843 #432D18 #184318

square

#182E43 #421843 #432D18 #184318

split-complementary

#182E43 #431818 #434218

monochromatic

#080F17 #080F17 #182E43 #284D70 #386C9D

Accessibility & contrast

On white

13.90

#182E43 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.51

#182E43 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #182E43

13.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##182E43	#FFFFFF	#000000	##FFFFFF
##182E43	1.00	13.90	1.51	13.90
#FFFFFF	13.90	1.00	21.00	1.00
#000000	1.51	21.00	1.00	21.00
##FFFFFF	13.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#252F44

Deuteranopia (green-blind)

#202A43

Tritanopia (blue-blind)

#003335

Achromatopsia (no color)

#2C2C2C

Design tokens & code

CSS

--color: #182e43;
/* rgb */ color: rgb(24, 46, 67);
/* oklch */ color: oklch(29.4% 0.048 248.7);

Tailwind

colors: {
  custom: {
    50: '#596677',
    500: '#182e43',
    950: '#000000',
  },
}

SCSS

$custom: #182e43;
$custom-light: #596677;
$custom-dark: #000000;

JSON

{
  "hex": "#182e43",
  "rgb": {
    "r": 24,
    "g": 46,
    "b": 67
  },
  "hsl": {
    "h": 209.302,
    "s": 47.253,
    "l": 17.843
  },
  "oklch": {
    "l": 0.29369,
    "c": 0.04772,
    "h": 248.7
  },
  "luminance": 0.02553
}

Semantic roles & 50–950 ramp

primary

#182E43

secondary

#7A5B3D

accent

#9251D7

background

#F5F6F7

surface

#E9EBED

border

#C5C6C8

text

#040508

muted

#797A7B

Preview Lab

Preview with #182E43

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

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