#184C81#184C81

#184C81 is a dark, moderate cyan. Relative luminance 0.069; OKLCH L 41.1% C 0.104 H 252.3°. Best body text is #FFFFFF at 8.79:1 contrast (WCAG AA passes).

Color values

HEX	#184C81
RGB	rgb(24, 76, 129)
HSL	hsl(210, 69%, 30%)
HSV	hsv(210, 81%, 51%)
CMYK	cmyk(81.4%, 41.1%, 0%, 49.4%)
CIE-LAB	lab(31.69, 3.26, -34.68)
CIE-LCH	lch(31.69, 34.83, 275.37°)
OKLab	oklab(41.15% -0.0317 -0.0991)
OKLCH	oklch(41.15% 0.104 252.3)
XYZ	xyz(6.9221, 6.9472, 21.7407)
Luminance	0.0695 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#184C81 #814D18

analogous

#188081 #184C81 #191881

triadic

#184C81 #81184C #4C8118

tetradic

#184C81 #811880 #814D18 #188119

square

#184C81 #811880 #814D18 #188119

split-complementary

#184C81 #811918 #808118

monochromatic

#050F1A #0E2E4D #184C81 #226AB5 #3989DA

Accessibility & contrast

On white

8.79

#184C81 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.39

#184C81 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #184C81

8.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##184C81	#FFFFFF	#000000	##FFFFFF
##184C81	1.00	8.79	2.39	8.79
#FFFFFF	8.79	1.00	21.00	1.00
#000000	2.39	21.00	1.00	21.00
##FFFFFF	8.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#325083

Deuteranopia (green-blind)

#214680

Tritanopia (blue-blind)

#005960

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #184c81;
/* rgb */ color: rgb(24, 76, 129);
/* oklch */ color: oklch(41.1% 0.104 252.3);

Tailwind

colors: {
  custom: {
    50: '#677da6',
    500: '#184c81',
    950: '#000000',
  },
}

SCSS

$custom: #184c81;
$custom-light: #677da6;
$custom-dark: #000000;

JSON

{
  "hex": "#184c81",
  "rgb": {
    "r": 24,
    "g": 76,
    "b": 129
  },
  "hsl": {
    "h": 210.286,
    "s": 68.627,
    "l": 30
  },
  "oklch": {
    "l": 0.4115,
    "c": 0.10402,
    "h": 252.3
  },
  "luminance": 0.06948
}

Semantic roles & 50–950 ramp

primary

#184C81

secondary

#B57B40

accent

#953CEB

background

#F6F7FA

surface

#EBEEF4

border

#C6C9CE

text

#07090F

muted

#7A7B7F

Preview Lab

Preview with #184C81

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

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