#181D86#181D86

#181D86 is a dark, vivid blue. Relative luminance 0.028; OKLCH L 31.9% C 0.168 H 270.0°. Best body text is #FFFFFF at 13.47:1 contrast (WCAG AA passes).

Color values

HEX	#181D86
RGB	rgb(24, 29, 134)
HSL	hsl(237, 70%, 31%)
HSV	hsv(237, 82%, 53%)
CMYK	cmyk(82.1%, 78.4%, 0%, 47.5%)
CIE-LAB	lab(19.20, 37.09, -58.11)
CIE-LCH	lch(19.20, 68.94, 302.55°)
OKLab	oklab(31.91% 0 -0.1683)
OKLCH	oklch(31.91% 0.168 270)
XYZ	xyz(5.1177, 2.7936, 22.8191)
Luminance	0.0279 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#181D86 #868118

analogous

#185486 #181D86 #4A1886

triadic

#181D86 #86181D #1D8618

tetradic

#181D86 #861854 #868118 #18864A

square

#181D86 #861854 #868118 #18864A

split-complementary

#181D86 #864A18 #548618

monochromatic

#05071E #0F1252 #181D86 #2128BA #3C44DC

Accessibility & contrast

On white

13.47

#181D86 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.56

#181D86 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #181D86

13.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##181D86	#FFFFFF	#000000	##FFFFFF
##181D86	1.00	13.47	1.56	13.47
#FFFFFF	13.47	1.00	21.00	1.00
#000000	1.56	21.00	1.00	21.00
##FFFFFF	13.47	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003489

Deuteranopia (green-blind)

#002984

Tritanopia (blue-blind)

#003C50

Achromatopsia (no color)

#2F2F2F

Design tokens & code

CSS

--color: #181d86;
/* rgb */ color: rgb(24, 29, 134);
/* oklch */ color: oklch(31.9% 0.168 270.0);

Tailwind

colors: {
  custom: {
    50: '#6b5aaa',
    500: '#181d86',
    950: '#000000',
  },
}

SCSS

$custom: #181d86;
$custom-light: #6b5aaa;
$custom-dark: #000000;

JSON

{
  "hex": "#181d86",
  "rgb": {
    "r": 24,
    "g": 29,
    "b": 134
  },
  "hsl": {
    "h": 237.273,
    "s": 69.62,
    "l": 30.98
  },
  "oklch": {
    "l": 0.31914,
    "c": 0.16833,
    "h": 270
  },
  "luminance": 0.02794
}

Semantic roles & 50–950 ramp

primary

#181D86

secondary

#BAB440

accent

#E43BEC

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#080410

muted

#7B797F

Preview Lab

Preview with #181D86

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

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