#184D81#184D81

#184D81 is a dark, moderate cyan. Relative luminance 0.071; OKLCH L 41.4% C 0.103 H 251.5°. Best body text is #FFFFFF at 8.69:1 contrast (WCAG AA passes).

Color values

HEX	#184D81
RGB	rgb(24, 77, 129)
HSL	hsl(210, 69%, 30%)
HSV	hsv(210, 81%, 51%)
CMYK	cmyk(81.4%, 40.3%, 0%, 49.4%)
CIE-LAB	lab(32.00, 2.59, -34.18)
CIE-LCH	lch(32.00, 34.27, 274.34°)
OKLab	oklab(41.4% -0.0326 -0.0976)
OKLCH	oklch(41.4% 0.103 251.5)
XYZ	xyz(6.9915, 7.0861, 21.7639)
Luminance	0.0709 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#184D81 #814C18

analogous

#188180 #184D81 #181981

triadic

#184D81 #81184D #4D8118

tetradic

#184D81 #801881 #814C18 #198118

square

#184D81 #801881 #814C18 #198118

split-complementary

#184D81 #811819 #818018

monochromatic

#050F1A #0E2E4D #184D81 #226CB5 #398ADA

Accessibility & contrast

On white

8.69

#184D81 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.42

#184D81 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #184D81

8.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##184D81	#FFFFFF	#000000	##FFFFFF
##184D81	1.00	8.69	2.42	8.69
#FFFFFF	8.69	1.00	21.00	1.00
#000000	2.42	21.00	1.00	21.00
##FFFFFF	8.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#345083

Deuteranopia (green-blind)

#234780

Tritanopia (blue-blind)

#005960

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #184d81;
/* rgb */ color: rgb(24, 77, 129);
/* oklch */ color: oklch(41.4% 0.103 251.5);

Tailwind

colors: {
  custom: {
    50: '#677ea6',
    500: '#184d81',
    950: '#000000',
  },
}

SCSS

$custom: #184d81;
$custom-light: #677ea6;
$custom-dark: #000000;

JSON

{
  "hex": "#184d81",
  "rgb": {
    "r": 24,
    "g": 77,
    "b": 129
  },
  "hsl": {
    "h": 209.714,
    "s": 68.627,
    "l": 30
  },
  "oklch": {
    "l": 0.41396,
    "c": 0.10288,
    "h": 251.5
  },
  "luminance": 0.07087
}

Semantic roles & 50–950 ramp

primary

#184D81

secondary

#B57A40

accent

#933CEB

background

#F6F7FA

surface

#EBEEF4

border

#C6C9CE

text

#07090F

muted

#7A7B7F

Preview Lab

Preview with #184D81

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

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