#181F86#181F86

#181F86 is a dark, vivid blue. Relative luminance 0.029; OKLCH L 32.2% C 0.166 H 269.7°. Best body text is #FFFFFF at 13.30:1 contrast (WCAG AA passes).

Color values

HEX	#181F86
RGB	rgb(24, 31, 134)
HSL	hsl(236, 70%, 31%)
HSV	hsv(236, 82%, 53%)
CMYK	cmyk(82.1%, 76.9%, 0%, 47.5%)
CIE-LAB	lab(19.62, 35.90, -57.42)
CIE-LCH	lch(19.62, 67.72, 302.02°)
OKLab	oklab(32.21% -0.0007 -0.1663)
OKLCH	oklch(32.21% 0.166 269.7)
XYZ	xyz(5.1683, 2.8948, 22.8360)
Luminance	0.0290 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#181F86 #867F18

analogous

#185686 #181F86 #481886

triadic

#181F86 #86181F #1F8618

tetradic

#181F86 #861856 #867F18 #188648

square

#181F86 #861856 #867F18 #188648

split-complementary

#181F86 #864818 #568618

monochromatic

#05071E #0F1352 #181F86 #212BBA #3C46DC

Accessibility & contrast

On white

13.30

#181F86 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.58

#181F86 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #181F86

13.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##181F86	#FFFFFF	#000000	##FFFFFF
##181F86	1.00	13.30	1.58	13.30
#FFFFFF	13.30	1.00	21.00	1.00
#000000	1.58	21.00	1.00	21.00
##FFFFFF	13.30	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003589

Deuteranopia (green-blind)

#002A84

Tritanopia (blue-blind)

#003D51

Achromatopsia (no color)

#2F2F2F

Design tokens & code

CSS

--color: #181f86;
/* rgb */ color: rgb(24, 31, 134);
/* oklch */ color: oklch(32.2% 0.166 269.7);

Tailwind

colors: {
  custom: {
    50: '#6b5caa',
    500: '#181f86',
    950: '#000000',
  },
}

SCSS

$custom: #181f86;
$custom-light: #6b5caa;
$custom-dark: #000000;

JSON

{
  "hex": "#181f86",
  "rgb": {
    "r": 24,
    "g": 31,
    "b": 134
  },
  "hsl": {
    "h": 236.182,
    "s": 69.62,
    "l": 30.98
  },
  "oklch": {
    "l": 0.32212,
    "c": 0.16633,
    "h": 269.7
  },
  "luminance": 0.02895
}

Semantic roles & 50–950 ramp

primary

#181F86

secondary

#BAB240

accent

#E13BEC

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#080410

muted

#7B797F

Preview Lab

Preview with #181F86

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

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