#180E50#180E50

#180E50 is a very dark, moderate blue. Relative luminance 0.011; OKLCH L 23.3% C 0.112 H 280.0°. Best body text is #FFFFFF at 17.25:1 contrast (WCAG AA passes).

Color values

HEX	#180E50
RGB	rgb(24, 14, 80)
HSL	hsl(249, 70%, 18%)
HSV	hsv(249, 83%, 31%)
CMYK	cmyk(70%, 82.5%, 0%, 68.6%)
CIE-LAB	lab(9.70, 26.84, -38.37)
CIE-LCH	lch(9.70, 46.83, 304.96°)
OKLab	oklab(23.33% 0.0196 -0.1108)
OKLCH	oklch(23.33% 0.112 280)
XYZ	xyz(1.9812, 1.0873, 7.6933)
Luminance	0.0109 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#180E50 #46500E

analogous

#0E2550 #180E50 #390E50

triadic

#180E50 #50180E #0E5018

tetradic

#180E50 #500E25 #46500E #0E5039

square

#180E50 #500E25 #46500E #0E5039

split-complementary

#180E50 #50390E #25500E

monochromatic

#08051A #08051C #180E50 #281784 #3720B8

Accessibility & contrast

On white

17.25

#180E50 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.22

#180E50 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #180E50

17.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##180E50	#FFFFFF	#000000	##FFFFFF
##180E50	1.00	17.25	1.22	17.25
#FFFFFF	17.25	1.00	21.00	1.00
#000000	1.22	21.00	1.00	21.00
##FFFFFF	17.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001D52

Deuteranopia (green-blind)

#00184F

Tritanopia (blue-blind)

#00212E

Achromatopsia (no color)

#1B1B1B

Design tokens & code

CSS

--color: #180e50;
/* rgb */ color: rgb(24, 14, 80);
/* oklch */ color: oklch(23.3% 0.112 280.0);

Tailwind

colors: {
  custom: {
    50: '#5e4e82',
    500: '#180e50',
    950: '#000000',
  },
}

SCSS

$custom: #180e50;
$custom-light: #5e4e82;
$custom-dark: #000000;

JSON

{
  "hex": "#180e50",
  "rgb": {
    "r": 24,
    "g": 14,
    "b": 80
  },
  "hsl": {
    "h": 249.091,
    "s": 70.213,
    "l": 18.431
  },
  "oklch": {
    "l": 0.23334,
    "c": 0.11248,
    "h": 280
  },
  "luminance": 0.01087
}

Semantic roles & 50–950 ramp

primary

#180E50

secondary

#7D8B2F

accent

#ED3BD2

background

#F5F4F8

surface

#EAE7EF

border

#C6C3CA

text

#05010A

muted

#79777C

Preview Lab

Preview with #180E50

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

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