#184D80#184D80

#184D80 is a dark, moderate cyan. Relative luminance 0.071; OKLCH L 41.3% C 0.102 H 251.1°. Best body text is #FFFFFF at 8.71:1 contrast (WCAG AA passes).

Color values

HEX	#184D80
RGB	rgb(24, 77, 128)
HSL	hsl(209, 68%, 30%)
HSV	hsv(209, 81%, 50%)
CMYK	cmyk(81.3%, 39.8%, 0%, 49.8%)
CIE-LAB	lab(31.94, 2.19, -33.65)
CIE-LCH	lch(31.94, 33.72, 273.72°)
OKLab	oklab(41.33% -0.0329 -0.096)
OKLCH	oklch(41.33% 0.102 251.1)
XYZ	xyz(6.9254, 7.0596, 21.4155)
Luminance	0.0706 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#184D80 #804B18

analogous

#18807F #184D80 #181980

triadic

#184D80 #80184D #4D8018

tetradic

#184D80 #7F1880 #804B18 #198018

square

#184D80 #7F1880 #804B18 #198018

split-complementary

#184D80 #801819 #807F18

monochromatic

#05101A #0E2E4C #184D80 #226CB4 #398BDA

Accessibility & contrast

On white

8.71

#184D80 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.41

#184D80 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #184D80

8.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##184D80	#FFFFFF	#000000	##FFFFFF
##184D80	1.00	8.71	2.41	8.71
#FFFFFF	8.71	1.00	21.00	1.00
#000000	2.41	21.00	1.00	21.00
##FFFFFF	8.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#355082

Deuteranopia (green-blind)

#24477F

Tritanopia (blue-blind)

#005960

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #184d80;
/* rgb */ color: rgb(24, 77, 128);
/* oklch */ color: oklch(41.3% 0.102 251.1);

Tailwind

colors: {
  custom: {
    50: '#667ea5',
    500: '#184d80',
    950: '#000000',
  },
}

SCSS

$custom: #184d80;
$custom-light: #667ea5;
$custom-dark: #000000;

JSON

{
  "hex": "#184d80",
  "rgb": {
    "r": 24,
    "g": 77,
    "b": 128
  },
  "hsl": {
    "h": 209.423,
    "s": 68.421,
    "l": 29.804
  },
  "oklch": {
    "l": 0.4133,
    "c": 0.10152,
    "h": 251.1
  },
  "luminance": 0.0706
}

Semantic roles & 50–950 ramp

primary

#184D80

secondary

#B47940

accent

#923DEB

background

#F6F7FA

surface

#EBEEF4

border

#C6C9CE

text

#07090F

muted

#7A7B7F

Preview Lab

Preview with #184D80

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

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