#184E78#184E78

#184E78 is a dark, moderate cyan. Relative luminance 0.070; OKLCH L 41.1% C 0.090 H 246.2°. Best body text is #FFFFFF at 8.75:1 contrast (WCAG AA passes).

Color values

HEX	#184E78
RGB	rgb(24, 78, 120)
HSL	hsl(206, 67%, 28%)
HSV	hsv(206, 80%, 47%)
CMYK	cmyk(80%, 35%, 0%, 52.9%)
CIE-LAB	lab(31.80, -1.68, -28.90)
CIE-LCH	lch(31.80, 28.95, 266.66°)
OKLab	oklab(41.07% -0.0362 -0.0821)
OKLCH	oklch(41.07% 0.09 246.2)
XYZ	xyz(6.4899, 6.9983, 18.7744)
Luminance	0.0700 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#184E78 #784218

analogous

#187872 #184E78 #181E78

triadic

#184E78 #78184E #4E7818

tetradic

#184E78 #721878 #784218 #1E7818

square

#184E78 #721878 #784218 #1E7818

split-complementary

#184E78 #78181E #787218

monochromatic

#05111A #0E2D45 #184E78 #226FAB #348FD6

Accessibility & contrast

On white

8.75

#184E78 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.40

#184E78 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #184E78

8.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##184E78	#FFFFFF	#000000	##FFFFFF
##184E78	1.00	8.75	2.40	8.75
#FFFFFF	8.75	1.00	21.00	1.00
#000000	2.40	21.00	1.00	21.00
##FFFFFF	8.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3B507A

Deuteranopia (green-blind)

#2D4777

Tritanopia (blue-blind)

#00585D

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #184e78;
/* rgb */ color: rgb(24, 78, 120);
/* oklch */ color: oklch(41.1% 0.090 246.2);

Tailwind

colors: {
  custom: {
    50: '#657f9f',
    500: '#184e78',
    950: '#000000',
  },
}

SCSS

$custom: #184e78;
$custom-light: #657f9f;
$custom-dark: #000000;

JSON

{
  "hex": "#184e78",
  "rgb": {
    "r": 24,
    "g": 78,
    "b": 120
  },
  "hsl": {
    "h": 206.25,
    "s": 66.667,
    "l": 28.235
  },
  "oklch": {
    "l": 0.41071,
    "c": 0.08972,
    "h": 246.2
  },
  "luminance": 0.06999
}

Semantic roles & 50–950 ramp

primary

#184E78

secondary

#AD6F3F

accent

#893EEA

background

#F6F7F9

surface

#EBEEF2

border

#C6C9CC

text

#060A0E

muted

#7A7C7E

Preview Lab

Preview with #184E78

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

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