#182F4F#182F4F

#182F4F is a dark, moderate cyan. Relative luminance 0.028; OKLCH L 30.4% C 0.065 H 257.0°. Best body text is #FFFFFF at 13.48:1 contrast (WCAG AA passes).

Color values

HEX	#182F4F
RGB	rgb(24, 47, 79)
HSL	hsl(215, 53%, 20%)
HSV	hsv(215, 70%, 31%)
CMYK	cmyk(69.6%, 40.5%, 0%, 69%)
CIE-LAB	lab(19.19, 2.82, -22.35)
CIE-LCH	lch(19.19, 22.52, 277.19°)
OKLab	oklab(30.4% -0.0147 -0.0634)
OKLCH	oklch(30.4% 0.065 257)
XYZ	xyz(2.8040, 2.7915, 7.7867)
Luminance	0.0279 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#182F4F #4F3818

analogous

#184A4F #182F4F #1C184F

triadic

#182F4F #4F182F #2F4F18

tetradic

#182F4F #4F184A #4F3818 #184F1C

square

#182F4F #4F184A #4F3818 #184F1C

split-complementary

#182F4F #4F1C18 #4A4F18

monochromatic

#070E17 #0A1320 #182F4F #264B7E #3567AD

Accessibility & contrast

On white

13.48

#182F4F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.56

#182F4F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #182F4F

13.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##182F4F	#FFFFFF	#000000	##FFFFFF
##182F4F	1.00	13.48	1.56	13.48
#FFFFFF	13.48	1.00	21.00	1.00
#000000	1.56	21.00	1.00	21.00
##FFFFFF	13.48	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#213150

Deuteranopia (green-blind)

#192C4E

Tritanopia (blue-blind)

#00363B

Achromatopsia (no color)

#2F2F2F

Design tokens & code

CSS

--color: #182f4f;
/* rgb */ color: rgb(24, 47, 79);
/* oklch */ color: oklch(30.4% 0.065 257.0);

Tailwind

colors: {
  custom: {
    50: '#5b6780',
    500: '#182f4f',
    950: '#000000',
  },
}

SCSS

$custom: #182f4f;
$custom-light: #5b6780;
$custom-dark: #000000;

JSON

{
  "hex": "#182f4f",
  "rgb": {
    "r": 24,
    "g": 47,
    "b": 79
  },
  "hsl": {
    "h": 214.909,
    "s": 53.398,
    "l": 20.196
  },
  "oklch": {
    "l": 0.30402,
    "c": 0.06509,
    "h": 257
  },
  "luminance": 0.02792
}

Semantic roles & 50–950 ramp

primary

#182F4F

secondary

#86673D

accent

#A04BDD

background

#F5F6F7

surface

#E9EBEE

border

#C5C6C9

text

#04060A

muted

#797A7C

Preview Lab

Preview with #182F4F

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

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