#101A81#101A81

#101A81 is a dark, vivid blue. Relative luminance 0.024; OKLCH L 30.5% C 0.167 H 267.9°. Best body text is #FFFFFF at 14.12:1 contrast (WCAG AA passes).

Color values

HEX	#101A81
RGB	rgb(16, 26, 129)
HSL	hsl(235, 78%, 28%)
HSV	hsv(235, 88%, 51%)
CMYK	cmyk(87.6%, 79.8%, 0%, 49.4%)
CIE-LAB	lab(17.61, 36.58, -57.59)
CIE-LCH	lch(17.61, 68.22, 302.42°)
OKLab	oklab(30.52% -0.0062 -0.1669)
OKLCH	oklch(30.52% 0.167 267.9)
XYZ	xyz(4.5442, 2.4334, 20.9948)
Luminance	0.0243 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#101A81 #817710

analogous

#105281 #101A81 #3E1081

triadic

#101A81 #81101A #1A8110

tetradic

#101A81 #811052 #817710 #10813E

square

#101A81 #811052 #817710 #10813E

split-complementary

#101A81 #813E10 #528110

monochromatic

#03051B #090F4B #101A81 #1725B7 #2738E4

Accessibility & contrast

On white

14.12

#101A81 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.49

#101A81 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #101A81

14.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##101A81	#FFFFFF	#000000	##FFFFFF
##101A81	1.00	14.12	1.49	14.12
#FFFFFF	14.12	1.00	21.00	1.00
#000000	1.49	21.00	1.00	21.00
##FFFFFF	14.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003184

Deuteranopia (green-blind)

#00257F

Tritanopia (blue-blind)

#003A4D

Achromatopsia (no color)

#2B2B2B

Design tokens & code

CSS

--color: #101a81;
/* rgb */ color: rgb(16, 26, 129);
/* oklch */ color: oklch(30.5% 0.167 267.9);

Tailwind

colors: {
  custom: {
    50: '#6858a7',
    500: '#101a81',
    950: '#000000',
  },
}

SCSS

$custom: #101a81;
$custom-light: #6858a7;
$custom-dark: #000000;

JSON

{
  "hex": "#101a81",
  "rgb": {
    "r": 16,
    "g": 26,
    "b": 129
  },
  "hsl": {
    "h": 234.69,
    "s": 77.931,
    "l": 28.431
  },
  "oklch": {
    "l": 0.30519,
    "c": 0.16702,
    "h": 267.9
  },
  "luminance": 0.02434
}

Semantic roles & 50–950 ramp

primary

#101A81

secondary

#B7AC36

accent

#E333F4

background

#F6F5FA

surface

#ECE9F4

border

#C7C5CE

text

#070310

muted

#7A787F

Preview Lab

Preview with #101A81

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

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