#182D3E#182D3E

#182D3E is a dark, muted cyan. Relative luminance 0.024; OKLCH L 28.8% C 0.041 H 244.4°. Best body text is #FFFFFF at 14.15:1 contrast (WCAG AA passes).

Color values

HEX	#182D3E
RGB	rgb(24, 45, 62)
HSL	hsl(207, 44%, 17%)
HSV	hsv(207, 61%, 24%)
CMYK	cmyk(61.3%, 27.4%, 0%, 75.7%)
CIE-LAB	lab(17.55, -2.44, -13.34)
CIE-LCH	lch(17.55, 13.56, 259.63°)
OKLab	oklab(28.8% -0.0179 -0.0373)
OKLCH	oklch(28.8% 0.041 244.4)
XYZ	xyz(2.1843, 2.4186, 4.9082)
Luminance	0.0242 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#182D3E #3E2918

analogous

#183E3C #182D3E #181A3E

triadic

#182D3E #3E182D #2D3E18

tetradic

#182D3E #3C183E #3E2918 #1A3E18

square

#182D3E #3C183E #3E2918 #1A3E18

split-complementary

#182D3E #3E181A #3E3C18

monochromatic

#091016 #091016 #182D3E #294D6A #3A6D96

Accessibility & contrast

On white

14.15

#182D3E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.48

#182D3E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #182D3E

14.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##182D3E	#FFFFFF	#000000	##FFFFFF
##182D3E	1.00	14.15	1.48	14.15
#FFFFFF	14.15	1.00	21.00	1.00
#000000	1.48	21.00	1.00	21.00
##FFFFFF	14.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#262D3F

Deuteranopia (green-blind)

#21293E

Tritanopia (blue-blind)

#033133

Achromatopsia (no color)

#2B2B2B

Design tokens & code

CSS

--color: #182d3e;
/* rgb */ color: rgb(24, 45, 62);
/* oklch */ color: oklch(28.8% 0.041 244.4);

Tailwind

colors: {
  custom: {
    50: '#586573',
    500: '#182d3e',
    950: '#000000',
  },
}

SCSS

$custom: #182d3e;
$custom-light: #586573;
$custom-dark: #000000;

JSON

{
  "hex": "#182d3e",
  "rgb": {
    "r": 24,
    "g": 45,
    "b": 62
  },
  "hsl": {
    "h": 206.842,
    "s": 44.186,
    "l": 16.863
  },
  "oklch": {
    "l": 0.28802,
    "c": 0.04139,
    "h": 244.4
  },
  "luminance": 0.02419
}

Semantic roles & 50–950 ramp

primary

#182D3E

secondary

#74563D

accent

#8D54D4

background

#F5F6F6

surface

#E9EBEC

border

#C5C6C7

text

#030508

muted

#787A7B

Preview Lab

Preview with #182D3E

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

Preview Lab → · Contrast checker → · Palette generator →