#182C3F#182C3F

#182C3F is a dark, muted cyan. Relative luminance 0.024; OKLCH L 28.6% C 0.044 H 248.4°. Best body text is #FFFFFF at 14.28:1 contrast (WCAG AA passes).

Color values

HEX	#182C3F
RGB	rgb(24, 44, 63)
HSL	hsl(209, 45%, 17%)
HSV	hsv(209, 62%, 25%)
CMYK	cmyk(61.9%, 30.2%, 0%, 75.3%)
CIE-LAB	lab(17.25, -1.37, -14.50)
CIE-LCH	lch(17.25, 14.56, 264.62°)
OKLab	oklab(28.58% -0.0161 -0.0406)
OKLCH	oklch(28.58% 0.044 248.4)
XYZ	xyz(2.1743, 2.3543, 5.0415)
Luminance	0.0235 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#182C3F #3F2B18

analogous

#183F3F #182C3F #18183F

triadic

#182C3F #3F182C #2C3F18

tetradic

#182C3F #3F183F #3F2B18 #183F18

square

#182C3F #3F183F #3F2B18 #183F18

split-complementary

#182C3F #3F1818 #3F3F18

monochromatic

#080F16 #080F16 #182C3F #294B6B #3A6A98

Accessibility & contrast

On white

14.28

#182C3F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.47

#182C3F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #182C3F

14.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##182C3F	#FFFFFF	#000000	##FFFFFF
##182C3F	1.00	14.28	1.47	14.28
#FFFFFF	14.28	1.00	21.00	1.00
#000000	1.47	21.00	1.00	21.00
##FFFFFF	14.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#242D40

Deuteranopia (green-blind)

#1F293F

Tritanopia (blue-blind)

#023033

Achromatopsia (no color)

#2A2A2A

Design tokens & code

CSS

--color: #182c3f;
/* rgb */ color: rgb(24, 44, 63);
/* oklch */ color: oklch(28.6% 0.044 248.4);

Tailwind

colors: {
  custom: {
    50: '#586474',
    500: '#182c3f',
    950: '#000000',
  },
}

SCSS

$custom: #182c3f;
$custom-light: #586474;
$custom-dark: #000000;

JSON

{
  "hex": "#182c3f",
  "rgb": {
    "r": 24,
    "g": 44,
    "b": 63
  },
  "hsl": {
    "h": 209.231,
    "s": 44.828,
    "l": 17.059
  },
  "oklch": {
    "l": 0.28582,
    "c": 0.04371,
    "h": 248.4
  },
  "luminance": 0.02354
}

Semantic roles & 50–950 ramp

primary

#182C3F

secondary

#75593D

accent

#9253D5

background

#F5F6F7

surface

#E9EBED

border

#C5C6C8

text

#030508

muted

#787A7B

Preview Lab

Preview with #182C3F

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

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