#180F76#180F76

#180F76 is a dark, vivid blue. Relative luminance 0.018; OKLCH L 28.2% C 0.161 H 272.8°. Best body text is #FFFFFF at 15.34:1 contrast (WCAG AA passes).

Color values

HEX	#180F76
RGB	rgb(24, 15, 118)
HSL	hsl(245, 77%, 26%)
HSV	hsv(245, 87%, 46%)
CMYK	cmyk(79.7%, 87.3%, 0%, 53.7%)
CIE-LAB	lab(14.64, 39.13, -55.47)
CIE-LCH	lch(14.64, 67.89, 305.20°)
OKLab	oklab(28.16% 0.0079 -0.1604)
OKLCH	oklch(28.16% 0.161 272.8)
XYZ	xyz(3.8164, 1.8434, 17.2907)
Luminance	0.0184 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#180F76 #6D760F

analogous

#0F3976 #180F76 #4B0F76

triadic

#180F76 #76180F #0F7618

tetradic

#180F76 #760F39 #6D760F #0F764B

square

#180F76 #760F39 #6D760F #0F764B

split-complementary

#180F76 #764B0F #39760F

monochromatic

#06031B #0D0840 #180F76 #2316AC #2E1DE2

Accessibility & contrast

On white

15.34

#180F76 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.37

#180F76 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #180F76

15.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##180F76	#FFFFFF	#000000	##FFFFFF
##180F76	1.00	15.34	1.37	15.34
#FFFFFF	15.34	1.00	21.00	1.00
#000000	1.37	21.00	1.00	21.00
##FFFFFF	15.34	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002A79

Deuteranopia (green-blind)

#002074

Tritanopia (blue-blind)

#003144

Achromatopsia (no color)

#252525

Design tokens & code

CSS

--color: #180f76;
/* rgb */ color: rgb(24, 15, 118);
/* oklch */ color: oklch(28.2% 0.161 272.8);

Tailwind

colors: {
  custom: {
    50: '#68519f',
    500: '#180f76',
    950: '#000000',
  },
}

SCSS

$custom: #180f76;
$custom-light: #68519f;
$custom-dark: #000000;

JSON

{
  "hex": "#180f76",
  "rgb": {
    "r": 24,
    "g": 15,
    "b": 118
  },
  "hsl": {
    "h": 245.243,
    "s": 77.444,
    "l": 26.078
  },
  "oklch": {
    "l": 0.2816,
    "c": 0.16064,
    "h": 272.8
  },
  "luminance": 0.01844
}

Semantic roles & 50–950 ramp

primary

#180F76

secondary

#A3AD33

accent

#F434E3

background

#F6F4F9

surface

#ECE7F2

border

#C7C3CC

text

#07020F

muted

#7A787E

Preview Lab

Preview with #180F76

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

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