#181B95#181B95

#181B95 is a dark, vivid blue. Relative luminance 0.031; OKLCH L 33.4% C 0.189 H 269.3°. Best body text is #FFFFFF at 12.89:1 contrast (WCAG AA passes).

Color values

HEX	#181B95
RGB	rgb(24, 27, 149)
HSL	hsl(239, 72%, 34%)
HSV	hsv(239, 84%, 58%)
CMYK	cmyk(83.9%, 81.9%, 0%, 41.6%)
CIE-LAB	lab(20.62, 43.32, -65.10)
CIE-LCH	lch(20.62, 78.20, 303.64°)
OKLab	oklab(33.44% -0.0023 -0.1885)
OKLCH	oklch(33.44% 0.189 269.3)
XYZ	xyz(6.1916, 3.1472, 28.7091)
Luminance	0.0315 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#181B95 #959218

analogous

#185A95 #181B95 #541895

triadic

#181B95 #95181B #1B9518

tetradic

#181B95 #95185A #959218 #189554

square

#181B95 #95185A #959218 #189554

split-complementary

#181B95 #955418 #5A9518

monochromatic

#07082C #101160 #181B95 #2025CA #464AE1

Accessibility & contrast

On white

12.89

#181B95 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.63

#181B95 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #181B95

12.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##181B95	#FFFFFF	#000000	##FFFFFF
##181B95	1.00	12.89	1.63	12.89
#FFFFFF	12.89	1.00	21.00	1.00
#000000	1.63	21.00	1.00	21.00
##FFFFFF	12.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003898

Deuteranopia (green-blind)

#002B93

Tritanopia (blue-blind)

#004259

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #181b95;
/* rgb */ color: rgb(24, 27, 149);
/* oklch */ color: oklch(33.4% 0.189 269.3);

Tailwind

colors: {
  custom: {
    50: '#705ab6',
    500: '#181b95',
    950: '#000000',
  },
}

SCSS

$custom: #181b95;
$custom-light: #705ab6;
$custom-dark: #000000;

JSON

{
  "hex": "#181b95",
  "rgb": {
    "r": 24,
    "g": 27,
    "b": 149
  },
  "hsl": {
    "h": 238.56,
    "s": 72.254,
    "l": 33.922
  },
  "oklch": {
    "l": 0.33442,
    "c": 0.18856,
    "h": 269.3
  },
  "luminance": 0.03148
}

Semantic roles & 50–950 ramp

primary

#181B95

secondary

#C2BF46

accent

#EB39EF

background

#F7F5FB

surface

#EDE9F6

border

#C8C5D0

text

#090411

muted

#7B7980

Preview Lab

Preview with #181B95

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

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