#181281#181281

#181281 is a dark, vivid blue. Relative luminance 0.022; OKLCH L 29.9% C 0.172 H 271.4°. Best body text is #FFFFFF at 14.56:1 contrast (WCAG AA passes).

Color values

HEX	#181281
RGB	rgb(24, 18, 129)
HSL	hsl(243, 76%, 29%)
HSV	hsv(243, 86%, 51%)
CMYK	cmyk(81.4%, 86%, 0%, 49.4%)
CIE-LAB	lab(16.56, 41.26, -59.33)
CIE-LCH	lch(16.56, 72.27, 304.82°)
OKLab	oklab(29.89% 0.0042 -0.1717)
OKLCH	oklch(29.89% 0.172 271.4)
XYZ	xyz(4.5541, 2.2113, 20.9514)
Luminance	0.0221 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#181281 #7B8112

analogous

#124481 #181281 #501281

triadic

#181281 #811812 #128118

tetradic

#181281 #811244 #7B8112 #128150

square

#181281 #811244 #7B8112 #128150

split-complementary

#181281 #815012 #448112

monochromatic

#05041B #0E0B4B #181281 #2219B7 #362CE2

Accessibility & contrast

On white

14.56

#181281 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.44

#181281 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #181281

14.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##181281	#FFFFFF	#000000	##FFFFFF
##181281	1.00	14.56	1.44	14.56
#FFFFFF	14.56	1.00	21.00	1.00
#000000	1.44	21.00	1.00	21.00
##FFFFFF	14.56	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002E84

Deuteranopia (green-blind)

#00237F

Tritanopia (blue-blind)

#00364B

Achromatopsia (no color)

#292929

Design tokens & code

CSS

--color: #181281;
/* rgb */ color: rgb(24, 18, 129);
/* oklch */ color: oklch(29.9% 0.172 271.4);

Tailwind

colors: {
  custom: {
    50: '#6b54a7',
    500: '#181281',
    950: '#000000',
  },
}

SCSS

$custom: #181281;
$custom-light: #6b54a7;
$custom-dark: #000000;

JSON

{
  "hex": "#181281",
  "rgb": {
    "r": 24,
    "g": 18,
    "b": 129
  },
  "hsl": {
    "h": 243.243,
    "s": 75.51,
    "l": 28.824
  },
  "oklch": {
    "l": 0.29892,
    "c": 0.17171,
    "h": 271.4
  },
  "luminance": 0.02212
}

Semantic roles & 50–950 ramp

primary

#181281

secondary

#B0B738

accent

#F236E8

background

#F7F5FA

surface

#EDE8F4

border

#C8C4CE

text

#080310

muted

#7B787F

Preview Lab

Preview with #181281

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

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