#180E66#180E66

#180E66 is a dark, vivid blue. Relative luminance 0.015; OKLCH L 26.0% C 0.142 H 275.3°. Best body text is #FFFFFF at 16.23:1 contrast (WCAG AA passes).

Color values

HEX	#180E66
RGB	rgb(24, 14, 102)
HSL	hsl(247, 76%, 23%)
HSV	hsv(247, 86%, 40%)
CMYK	cmyk(76.5%, 86.3%, 0%, 60%)
CIE-LAB	lab(12.40, 34.39, -48.75)
CIE-LCH	lch(12.40, 59.66, 305.20°)
OKLab	oklab(26.01% 0.013 -0.1409)
OKLCH	oklch(26.01% 0.142 275.3)
XYZ	xyz(2.9312, 1.4673, 12.6965)
Luminance	0.0147 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#180E66 #5C660E

analogous

#0E3066 #180E66 #440E66

triadic

#180E66 #66180E #0E6618

tetradic

#180E66 #660E30 #5C660E #0E6644

square

#180E66 #660E30 #5C660E #0E6644

split-complementary

#180E66 #66440E #30660E

monochromatic

#06041B #0B0730 #180E66 #25159C #311DD2

Accessibility & contrast

On white

16.23

#180E66 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.29

#180E66 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #180E66

16.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##180E66	#FFFFFF	#000000	##FFFFFF
##180E66	1.00	16.23	1.29	16.23
#FFFFFF	16.23	1.00	21.00	1.00
#000000	1.29	21.00	1.00	21.00
##FFFFFF	16.23	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002468

Deuteranopia (green-blind)

#001C65

Tritanopia (blue-blind)

#002A3B

Achromatopsia (no color)

#202020

Design tokens & code

CSS

--color: #180e66;
/* rgb */ color: rgb(24, 14, 102);
/* oklch */ color: oklch(26.0% 0.142 275.3);

Tailwind

colors: {
  custom: {
    50: '#645093',
    500: '#180e66',
    950: '#000000',
  },
}

SCSS

$custom: #180e66;
$custom-light: #645093;
$custom-dark: #000000;

JSON

{
  "hex": "#180e66",
  "rgb": {
    "r": 24,
    "g": 14,
    "b": 102
  },
  "hsl": {
    "h": 246.818,
    "s": 75.862,
    "l": 22.745
  },
  "oklch": {
    "l": 0.26012,
    "c": 0.14153,
    "h": 275.3
  },
  "luminance": 0.01468
}

Semantic roles & 50–950 ramp

primary

#180E66

secondary

#939F31

accent

#F235DD

background

#F6F4F9

surface

#EBE7F1

border

#C6C3CB

text

#06020D

muted

#7A787E

Preview Lab

Preview with #180E66

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

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