#101681#101681

#101681 is a dark, vivid blue. Relative luminance 0.023; OKLCH L 30.0% C 0.171 H 268.2°. Best body text is #FFFFFF at 14.44:1 contrast (WCAG AA passes).

Color values

HEX	#101681
RGB	rgb(16, 22, 129)
HSL	hsl(237, 78%, 28%)
HSV	hsv(237, 88%, 51%)
CMYK	cmyk(87.6%, 82.9%, 0%, 49.4%)
CIE-LAB	lab(16.84, 38.83, -58.88)
CIE-LCH	lch(16.84, 70.53, 303.40°)
OKLab	oklab(29.97% -0.0054 -0.1706)
OKLCH	oklch(29.97% 0.171 268.2)
XYZ	xyz(4.4617, 2.2684, 20.9673)
Luminance	0.0227 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#101681 #817B10

analogous

#104E81 #101681 #421081

triadic

#101681 #811016 #168110

tetradic

#101681 #81104E #817B10 #108142

square

#101681 #81104E #817B10 #108142

split-complementary

#101681 #814210 #4E8110

monochromatic

#03051B #090D4B #101681 #171FB7 #2731E4

Accessibility & contrast

On white

14.44

#101681 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.45

#101681 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #101681

14.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##101681	#FFFFFF	#000000	##FFFFFF
##101681	1.00	14.44	1.45	14.44
#FFFFFF	14.44	1.00	21.00	1.00
#000000	1.45	21.00	1.00	21.00
##FFFFFF	14.44	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002F84

Deuteranopia (green-blind)

#00247F

Tritanopia (blue-blind)

#00384C

Achromatopsia (no color)

#2A2A2A

Design tokens & code

CSS

--color: #101681;
/* rgb */ color: rgb(16, 22, 129);
/* oklch */ color: oklch(30.0% 0.171 268.2);

Tailwind

colors: {
  custom: {
    50: '#6956a7',
    500: '#101681',
    950: '#000000',
  },
}

SCSS

$custom: #101681;
$custom-light: #6956a7;
$custom-dark: #000000;

JSON

{
  "hex": "#101681",
  "rgb": {
    "r": 16,
    "g": 22,
    "b": 129
  },
  "hsl": {
    "h": 236.814,
    "s": 77.931,
    "l": 28.431
  },
  "oklch": {
    "l": 0.29973,
    "c": 0.17066,
    "h": 268.2
  },
  "luminance": 0.02269
}

Semantic roles & 50–950 ramp

primary

#101681

secondary

#B7B036

accent

#EA33F4

background

#F6F5FA

surface

#ECE9F4

border

#C7C5CE

text

#080310

muted

#7A787F

Preview Lab

Preview with #101681

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

Preview Lab → · Contrast checker → · Palette generator →