#184E81#184E81

#184E81 is a dark, moderate cyan. Relative luminance 0.072; OKLCH L 41.6% C 0.102 H 250.7°. Best body text is #FFFFFF at 8.59:1 contrast (WCAG AA passes).

Color values

HEX	#184E81
RGB	rgb(24, 78, 129)
HSL	hsl(209, 69%, 30%)
HSV	hsv(209, 81%, 51%)
CMYK	cmyk(81.4%, 39.5%, 0%, 49.4%)
CIE-LAB	lab(32.32, 1.93, -33.67)
CIE-LCH	lch(32.32, 33.73, 273.28°)
OKLab	oklab(41.64% -0.0336 -0.0961)
OKLCH	oklch(41.64% 0.102 250.7)
XYZ	xyz(7.0620, 7.2271, 21.7874)
Luminance	0.0723 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#184E81 #814B18

analogous

#18817F #184E81 #181A81

triadic

#184E81 #81184E #4E8118

tetradic

#184E81 #7F1881 #814B18 #1A8118

square

#184E81 #7F1881 #814B18 #1A8118

split-complementary

#184E81 #81181A #817F18

monochromatic

#05101A #0E2F4D #184E81 #226DB5 #398CDA

Accessibility & contrast

On white

8.59

#184E81 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.45

#184E81 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #184E81

8.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##184E81	#FFFFFF	#000000	##FFFFFF
##184E81	1.00	8.59	2.45	8.59
#FFFFFF	8.59	1.00	21.00	1.00
#000000	2.45	21.00	1.00	21.00
##FFFFFF	8.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#365183

Deuteranopia (green-blind)

#254880

Tritanopia (blue-blind)

#005A61

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #184e81;
/* rgb */ color: rgb(24, 78, 129);
/* oklch */ color: oklch(41.6% 0.102 250.7);

Tailwind

colors: {
  custom: {
    50: '#677fa6',
    500: '#184e81',
    950: '#000000',
  },
}

SCSS

$custom: #184e81;
$custom-light: #677fa6;
$custom-dark: #000000;

JSON

{
  "hex": "#184e81",
  "rgb": {
    "r": 24,
    "g": 78,
    "b": 129
  },
  "hsl": {
    "h": 209.143,
    "s": 68.627,
    "l": 30
  },
  "oklch": {
    "l": 0.41644,
    "c": 0.10177,
    "h": 250.7
  },
  "luminance": 0.07228
}

Semantic roles & 50–950 ramp

primary

#184E81

secondary

#B57940

accent

#913CEB

background

#F6F7FA

surface

#EBEEF4

border

#C6C9CE

text

#070A0F

muted

#7A7C7F

Preview Lab

Preview with #184E81

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

Preview Lab → · Contrast checker → · Palette generator →