#181A85#181A85

#181A85 is a dark, vivid blue. Relative luminance 0.026; OKLCH L 31.4% C 0.170 H 270.4°. Best body text is #FFFFFF at 13.77:1 contrast (WCAG AA passes).

Color values

HEX	#181A85
RGB	rgb(24, 26, 133)
HSL	hsl(239, 69%, 31%)
HSV	hsv(239, 82%, 52%)
CMYK	cmyk(82%, 80.5%, 0%, 47.8%)
CIE-LAB	lab(18.48, 38.46, -58.67)
CIE-LCH	lch(18.48, 70.16, 303.25°)
OKLab	oklab(31.37% 0.0011 -0.1699)
OKLCH	oklch(31.37% 0.17 270.4)
XYZ	xyz(4.9783, 2.6259, 22.4302)
Luminance	0.0263 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#181A85 #858318

analogous

#185085 #181A85 #4C1885

triadic

#181A85 #85181A #1A8518

tetradic

#181A85 #851850 #858318 #18854C

square

#181A85 #851850 #858318 #18854C

split-complementary

#181A85 #854C18 #508518

monochromatic

#05061D #0F1051 #181A85 #2124B9 #3C3FDC

Accessibility & contrast

On white

13.77

#181A85 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.53

#181A85 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #181A85

13.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##181A85	#FFFFFF	#000000	##FFFFFF
##181A85	1.00	13.77	1.53	13.77
#FFFFFF	13.77	1.00	21.00	1.00
#000000	1.53	21.00	1.00	21.00
##FFFFFF	13.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003288

Deuteranopia (green-blind)

#002783

Tritanopia (blue-blind)

#003B4F

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #181a85;
/* rgb */ color: rgb(24, 26, 133);
/* oklch */ color: oklch(31.4% 0.170 270.4);

Tailwind

colors: {
  custom: {
    50: '#6b59aa',
    500: '#181a85',
    950: '#000000',
  },
}

SCSS

$custom: #181a85;
$custom-light: #6b59aa;
$custom-dark: #000000;

JSON

{
  "hex": "#181a85",
  "rgb": {
    "r": 24,
    "g": 26,
    "b": 133
  },
  "hsl": {
    "h": 238.899,
    "s": 69.427,
    "l": 30.784
  },
  "oklch": {
    "l": 0.31373,
    "c": 0.16991,
    "h": 270.4
  },
  "luminance": 0.02626
}

Semantic roles & 50–950 ramp

primary

#181A85

secondary

#B9B740

accent

#E93CEC

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#080310

muted

#7B787F

Preview Lab

Preview with #181A85

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

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