#180F70#180F70

#180F70 is a dark, vivid blue. Relative luminance 0.017; OKLCH L 27.4% C 0.153 H 273.6°. Best body text is #FFFFFF at 15.66:1 contrast (WCAG AA passes).

Color values

HEX	#180F70
RGB	rgb(24, 15, 112)
HSL	hsl(246, 76%, 25%)
HSV	hsv(246, 87%, 44%)
CMYK	cmyk(78.6%, 86.6%, 0%, 56.1%)
CIE-LAB	lab(13.86, 37.19, -52.89)
CIE-LCH	lch(13.86, 64.66, 305.12°)
OKLab	oklab(27.39% 0.0097 -0.153)
OKLCH	oklch(27.39% 0.153 273.6)
XYZ	xyz(3.4712, 1.7053, 15.4723)
Luminance	0.0171 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#180F70 #67700F

analogous

#0F3770 #180F70 #490F70

triadic

#180F70 #70180F #0F7018

tetradic

#180F70 #700F37 #67700F #0F7049

square

#180F70 #700F37 #67700F #0F7049

split-complementary

#180F70 #70490F #37700F

monochromatic

#06041B #0C083A #180F70 #2416A6 #2F1DDC

Accessibility & contrast

On white

15.66

#180F70 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.34

#180F70 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #180F70

15.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##180F70	#FFFFFF	#000000	##FFFFFF
##180F70	1.00	15.66	1.34	15.66
#FFFFFF	15.66	1.00	21.00	1.00
#000000	1.34	21.00	1.00	21.00
##FFFFFF	15.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002873

Deuteranopia (green-blind)

#001F6E

Tritanopia (blue-blind)

#002E41

Achromatopsia (no color)

#232323

Design tokens & code

CSS

--color: #180f70;
/* rgb */ color: rgb(24, 15, 112);
/* oklch */ color: oklch(27.4% 0.153 273.6);

Tailwind

colors: {
  custom: {
    50: '#67519a',
    500: '#180f70',
    950: '#000000',
  },
}

SCSS

$custom: #180f70;
$custom-light: #67519a;
$custom-dark: #000000;

JSON

{
  "hex": "#180f70",
  "rgb": {
    "r": 24,
    "g": 15,
    "b": 112
  },
  "hsl": {
    "h": 245.567,
    "s": 76.378,
    "l": 24.902
  },
  "oklch": {
    "l": 0.27394,
    "c": 0.15327,
    "h": 273.6
  },
  "luminance": 0.01706
}

Semantic roles & 50–950 ramp

primary

#180F70

secondary

#9DA833

accent

#F335E1

background

#F6F4F9

surface

#EBE7F2

border

#C6C3CC

text

#07020E

muted

#7A787E

Preview Lab

Preview with #180F70

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

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