#181F67#181F67

#181F67 is a dark, vivid blue. Relative luminance 0.022; OKLCH L 28.8% C 0.124 H 271.6°. Best body text is #FFFFFF at 14.68:1 contrast (WCAG AA passes).

Color values

HEX	#181F67
RGB	rgb(24, 31, 103)
HSL	hsl(235, 62%, 25%)
HSV	hsv(235, 77%, 40%)
CMYK	cmyk(76.7%, 69.9%, 0%, 59.6%)
CIE-LAB	lab(16.27, 24.25, -43.02)
CIE-LCH	lch(16.27, 49.38, 299.41°)
OKLab	oklab(28.8% 0.0034 -0.1244)
OKLCH	oklch(28.8% 0.124 271.6)
XYZ	xyz(3.3140, 2.1531, 13.0703)
Luminance	0.0215 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#181F67 #676018

analogous

#184667 #181F67 #391867

triadic

#181F67 #67181F #1F6718

tetradic

#181F67 #671846 #676018 #186739

square

#181F67 #671846 #676018 #186739

split-complementary

#181F67 #673918 #466718

monochromatic

#060719 #0C1035 #181F67 #242E99 #2F3DCA

Accessibility & contrast

On white

14.68

#181F67 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.43

#181F67 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #181F67

14.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##181F67	#FFFFFF	#000000	##FFFFFF
##181F67	1.00	14.68	1.43	14.68
#FFFFFF	14.68	1.00	21.00	1.00
#000000	1.43	21.00	1.00	21.00
##FFFFFF	14.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002C69

Deuteranopia (green-blind)

#002566

Tritanopia (blue-blind)

#003240

Achromatopsia (no color)

#282828

Design tokens & code

CSS

--color: #181f67;
/* rgb */ color: rgb(24, 31, 103);
/* oklch */ color: oklch(28.8% 0.124 271.6);

Tailwind

colors: {
  custom: {
    50: '#625a93',
    500: '#181f67',
    950: '#000000',
  },
}

SCSS

$custom: #181f67;
$custom-light: #625a93;
$custom-dark: #000000;

JSON

{
  "hex": "#181f67",
  "rgb": {
    "r": 24,
    "g": 31,
    "b": 103
  },
  "hsl": {
    "h": 234.684,
    "s": 62.205,
    "l": 24.902
  },
  "oklch": {
    "l": 0.28802,
    "c": 0.12441,
    "h": 271.6
  },
  "luminance": 0.02153
}

Semantic roles & 50–950 ramp

primary

#181F67

secondary

#9D953E

accent

#D743E5

background

#F6F5F9

surface

#EBE9F1

border

#C6C5CB

text

#06040D

muted

#7A797E

Preview Lab

Preview with #181F67

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

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