#101881#101881

#101881 is a dark, vivid blue. Relative luminance 0.023; OKLCH L 30.2% C 0.169 H 268.0°. Best body text is #FFFFFF at 14.29:1 contrast (WCAG AA passes).

Color values

HEX	#101881
RGB	rgb(16, 24, 129)
HSL	hsl(236, 78%, 28%)
HSV	hsv(236, 88%, 51%)
CMYK	cmyk(87.6%, 81.4%, 0%, 49.4%)
CIE-LAB	lab(17.22, 37.73, -58.25)
CIE-LCH	lch(17.22, 69.40, 302.93°)
OKLab	oklab(30.24% -0.0058 -0.1688)
OKLCH	oklch(30.24% 0.169 268)
XYZ	xyz(4.5014, 2.3479, 20.9806)
Luminance	0.0235 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#101881 #817910

analogous

#105081 #101881 #401081

triadic

#101881 #811018 #188110

tetradic

#101881 #811050 #817910 #108140

square

#101881 #811050 #817910 #108140

split-complementary

#101881 #814010 #508110

monochromatic

#03051B #090E4B #101881 #1722B7 #2735E4

Accessibility & contrast

On white

14.29

#101881 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.47

#101881 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #101881

14.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##101881	#FFFFFF	#000000	##FFFFFF
##101881	1.00	14.29	1.47	14.29
#FFFFFF	14.29	1.00	21.00	1.00
#000000	1.47	21.00	1.00	21.00
##FFFFFF	14.29	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003084

Deuteranopia (green-blind)

#00247F

Tritanopia (blue-blind)

#00394C

Achromatopsia (no color)

#2A2A2A

Design tokens & code

CSS

--color: #101881;
/* rgb */ color: rgb(16, 24, 129);
/* oklch */ color: oklch(30.2% 0.169 268.0);

Tailwind

colors: {
  custom: {
    50: '#6857a7',
    500: '#101881',
    950: '#000000',
  },
}

SCSS

$custom: #101881;
$custom-light: #6857a7;
$custom-dark: #000000;

JSON

{
  "hex": "#101881",
  "rgb": {
    "r": 16,
    "g": 24,
    "b": 129
  },
  "hsl": {
    "h": 235.752,
    "s": 77.931,
    "l": 28.431
  },
  "oklch": {
    "l": 0.30238,
    "c": 0.16889,
    "h": 268
  },
  "luminance": 0.02348
}

Semantic roles & 50–950 ramp

primary

#101881

secondary

#B7AE36

accent

#E733F4

background

#F6F5FA

surface

#ECE9F4

border

#C7C5CE

text

#080310

muted

#7A787F

Preview Lab

Preview with #101881

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

Preview Lab → · Contrast checker → · Palette generator →