#181A86#181A86

#181A86 is a dark, vivid blue. Relative luminance 0.027; OKLCH L 31.5% C 0.171 H 270.3°. Best body text is #FFFFFF at 13.72:1 contrast (WCAG AA passes).

Color values

HEX	#181A86
RGB	rgb(24, 26, 134)
HSL	hsl(239, 70%, 31%)
HSV	hsv(239, 82%, 53%)
CMYK	cmyk(82.1%, 80.6%, 0%, 47.5%)
CIE-LAB	lab(18.60, 38.81, -59.10)
CIE-LCH	lch(18.60, 70.70, 303.29°)
OKLab	oklab(31.49% 0.0009 -0.1712)
OKLCH	oklch(31.49% 0.171 270.3)
XYZ	xyz(5.0477, 2.6536, 22.7958)
Luminance	0.0265 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#181A86 #868418

analogous

#185186 #181A86 #4D1886

triadic

#181A86 #86181A #1A8618

tetradic

#181A86 #861851 #868418 #18864D

square

#181A86 #861851 #868418 #18864D

split-complementary

#181A86 #864D18 #518618

monochromatic

#05061E #0F1052 #181A86 #2124BA #3C3FDC

Accessibility & contrast

On white

13.72

#181A86 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.53

#181A86 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #181A86

13.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##181A86	#FFFFFF	#000000	##FFFFFF
##181A86	1.00	13.72	1.53	13.72
#FFFFFF	13.72	1.00	21.00	1.00
#000000	1.53	21.00	1.00	21.00
##FFFFFF	13.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003389

Deuteranopia (green-blind)

#002884

Tritanopia (blue-blind)

#003B50

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #181a86;
/* rgb */ color: rgb(24, 26, 134);
/* oklch */ color: oklch(31.5% 0.171 270.3);

Tailwind

colors: {
  custom: {
    50: '#6c59aa',
    500: '#181a86',
    950: '#000000',
  },
}

SCSS

$custom: #181a86;
$custom-light: #6c59aa;
$custom-dark: #000000;

JSON

{
  "hex": "#181a86",
  "rgb": {
    "r": 24,
    "g": 26,
    "b": 134
  },
  "hsl": {
    "h": 238.909,
    "s": 69.62,
    "l": 30.98
  },
  "oklch": {
    "l": 0.31493,
    "c": 0.17116,
    "h": 270.3
  },
  "luminance": 0.02654
}

Semantic roles & 50–950 ramp

primary

#181A86

secondary

#BAB840

accent

#E93BEC

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#080310

muted

#7B787F

Preview Lab

Preview with #181A86

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

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