#182A3F#182A3F

#182A3F is a dark, muted cyan. Relative luminance 0.022; OKLCH L 28.0% C 0.046 H 253.1°. Best body text is #FFFFFF at 14.57:1 contrast (WCAG AA passes).

Color values

HEX	#182A3F
RGB	rgb(24, 42, 63)
HSL	hsl(212, 45%, 17%)
HSV	hsv(212, 62%, 25%)
CMYK	cmyk(61.9%, 33.3%, 0%, 75.3%)
CIE-LAB	lab(16.55, 0.05, -15.59)
CIE-LCH	lch(16.55, 15.59, 270.17°)
OKLab	oklab(28.03% -0.0133 -0.0438)
OKLCH	oklch(28.03% 0.046 253.1)
XYZ	xyz(2.1015, 2.2088, 5.0173)
Luminance	0.0221 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#182A3F #3F2D18

analogous

#183E3F #182A3F #1A183F

triadic

#182A3F #3F182A #2A3F18

tetradic

#182A3F #3F183E #3F2D18 #183F1A

square

#182A3F #3F183E #3F2D18 #183F1A

split-complementary

#182A3F #3F1A18 #3E3F18

monochromatic

#080F16 #080F16 #182A3F #29486B #3A6598

Accessibility & contrast

On white

14.57

#182A3F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.44

#182A3F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #182A3F

14.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##182A3F	#FFFFFF	#000000	##FFFFFF
##182A3F	1.00	14.57	1.44	14.57
#FFFFFF	14.57	1.00	21.00	1.00
#000000	1.44	21.00	1.00	21.00
##FFFFFF	14.57	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#212B40

Deuteranopia (green-blind)

#1D273F

Tritanopia (blue-blind)

#032F31

Achromatopsia (no color)

#292929

Design tokens & code

CSS

--color: #182a3f;
/* rgb */ color: rgb(24, 42, 63);
/* oklch */ color: oklch(28.0% 0.046 253.1);

Tailwind

colors: {
  custom: {
    50: '#586374',
    500: '#182a3f',
    950: '#000000',
  },
}

SCSS

$custom: #182a3f;
$custom-light: #586374;
$custom-dark: #000000;

JSON

{
  "hex": "#182a3f",
  "rgb": {
    "r": 24,
    "g": 42,
    "b": 63
  },
  "hsl": {
    "h": 212.308,
    "s": 44.828,
    "l": 17.059
  },
  "oklch": {
    "l": 0.28033,
    "c": 0.04577,
    "h": 253.1
  },
  "luminance": 0.02209
}

Semantic roles & 50–950 ramp

primary

#182A3F

secondary

#755C3D

accent

#9953D5

background

#F5F5F7

surface

#E9EAED

border

#C5C6C8

text

#030508

muted

#78797B

Preview Lab

Preview with #182A3F

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

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