#101281#101281

#101281 is a dark, vivid blue. Relative luminance 0.021; OKLCH L 29.5% C 0.174 H 268.4°. Best body text is #FFFFFF at 14.73:1 contrast (WCAG AA passes).

Color values

HEX	#101281
RGB	rgb(16, 18, 129)
HSL	hsl(239, 78%, 28%)
HSV	hsv(239, 88%, 51%)
CMYK	cmyk(87.6%, 86%, 0%, 49.4%)
CIE-LAB	lab(16.14, 40.87, -60.03)
CIE-LCH	lch(16.14, 72.63, 304.25°)
OKLab	oklab(29.49% -0.0048 -0.1738)
OKLCH	oklch(29.49% 0.174 268.4)
XYZ	xyz(4.3911, 2.1272, 20.9438)
Luminance	0.0213 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#101281 #817F10

analogous

#104A81 #101281 #461081

triadic

#101281 #811012 #128110

tetradic

#101281 #81104A #817F10 #108146

square

#101281 #81104A #817F10 #108146

split-complementary

#101281 #814610 #4A8110

monochromatic

#03041B #090A4B #101281 #171AB7 #272BE4

Accessibility & contrast

On white

14.73

#101281 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.43

#101281 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #101281

14.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##101281	#FFFFFF	#000000	##FFFFFF
##101281	1.00	14.73	1.43	14.73
#FFFFFF	14.73	1.00	21.00	1.00
#000000	1.43	21.00	1.00	21.00
##FFFFFF	14.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002E84

Deuteranopia (green-blind)

#00227F

Tritanopia (blue-blind)

#00374B

Achromatopsia (no color)

#282828

Design tokens & code

CSS

--color: #101281;
/* rgb */ color: rgb(16, 18, 129);
/* oklch */ color: oklch(29.5% 0.174 268.4);

Tailwind

colors: {
  custom: {
    50: '#6954a7',
    500: '#101281',
    950: '#000000',
  },
}

SCSS

$custom: #101281;
$custom-light: #6954a7;
$custom-dark: #000000;

JSON

{
  "hex": "#101281",
  "rgb": {
    "r": 16,
    "g": 18,
    "b": 129
  },
  "hsl": {
    "h": 238.938,
    "s": 77.931,
    "l": 28.431
  },
  "oklch": {
    "l": 0.29489,
    "c": 0.1739,
    "h": 268.4
  },
  "luminance": 0.02128
}

Semantic roles & 50–950 ramp

primary

#101281

secondary

#B7B536

accent

#F133F4

background

#F6F4FA

surface

#ECE8F4

border

#C7C4CE

text

#080310

muted

#7A787F

Preview Lab

Preview with #101281

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

Preview Lab → · Contrast checker → · Palette generator →