#184B80#184B80

#184B80 is a dark, moderate cyan. Relative luminance 0.068; OKLCH L 40.8% C 0.104 H 252.6°. Best body text is #FFFFFF at 8.91:1 contrast (WCAG AA passes).

Color values

HEX	#184B80
RGB	rgb(24, 75, 128)
HSL	hsl(211, 68%, 30%)
HSV	hsv(211, 81%, 50%)
CMYK	cmyk(81.3%, 41.4%, 0%, 49.8%)
CIE-LAB	lab(31.31, 3.52, -34.66)
CIE-LCH	lch(31.31, 34.84, 275.80°)
OKLab	oklab(40.84% -0.031 -0.099)
OKLCH	oklch(40.84% 0.104 252.6)
XYZ	xyz(6.7876, 6.7840, 21.3696)
Luminance	0.0678 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#184B80 #804D18

analogous

#187F80 #184B80 #191880

triadic

#184B80 #80184B #4B8018

tetradic

#184B80 #80187F #804D18 #188019

square

#184B80 #80187F #804D18 #188019

split-complementary

#184B80 #801918 #7F8018

monochromatic

#050F1A #0E2D4C #184B80 #2269B4 #3988DA

Accessibility & contrast

On white

8.91

#184B80 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.36

#184B80 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #184B80

8.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##184B80	#FFFFFF	#000000	##FFFFFF
##184B80	1.00	8.91	2.36	8.91
#FFFFFF	8.91	1.00	21.00	1.00
#000000	2.36	21.00	1.00	21.00
##FFFFFF	8.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#314F82

Deuteranopia (green-blind)

#20457F

Tritanopia (blue-blind)

#00585F

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #184b80;
/* rgb */ color: rgb(24, 75, 128);
/* oklch */ color: oklch(40.8% 0.104 252.6);

Tailwind

colors: {
  custom: {
    50: '#667ca5',
    500: '#184b80',
    950: '#000000',
  },
}

SCSS

$custom: #184b80;
$custom-light: #667ca5;
$custom-dark: #000000;

JSON

{
  "hex": "#184b80",
  "rgb": {
    "r": 24,
    "g": 75,
    "b": 128
  },
  "hsl": {
    "h": 210.577,
    "s": 68.421,
    "l": 29.804
  },
  "oklch": {
    "l": 0.40836,
    "c": 0.10377,
    "h": 252.6
  },
  "luminance": 0.06785
}

Semantic roles & 50–950 ramp

primary

#184B80

secondary

#B47B40

accent

#963DEB

background

#F6F7FA

surface

#EBEEF4

border

#C6C9CE

text

#07090F

muted

#7A7B7F

Preview Lab

Preview with #184B80

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

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