#101E81#101E81

#101E81 is a dark, vivid blue. Relative luminance 0.026; OKLCH L 31.1% C 0.163 H 267.4°. Best body text is #FFFFFF at 13.77:1 contrast (WCAG AA passes).

Color values

HEX	#101E81
RGB	rgb(16, 30, 129)
HSL	hsl(233, 78%, 28%)
HSV	hsv(233, 88%, 51%)
CMYK	cmyk(87.6%, 76.7%, 0%, 49.4%)
CIE-LAB	lab(18.47, 34.16, -56.18)
CIE-LCH	lch(18.47, 65.75, 301.31°)
OKLab	oklab(31.12% -0.0073 -0.1629)
OKLCH	oklch(31.12% 0.163 267.4)
XYZ	xyz(4.6390, 2.6231, 21.0264)
Luminance	0.0262 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#101E81 #817310

analogous

#105681 #101E81 #3A1081

triadic

#101E81 #81101E #1E8110

tetradic

#101E81 #811056 #817310 #10813A

square

#101E81 #811056 #817310 #10813A

split-complementary

#101E81 #813A10 #568110

monochromatic

#03061B #09114B #101E81 #172BB7 #273FE4

Accessibility & contrast

On white

13.77

#101E81 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.52

#101E81 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #101E81

13.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##101E81	#FFFFFF	#000000	##FFFFFF
##101E81	1.00	13.77	1.52	13.77
#FFFFFF	13.77	1.00	21.00	1.00
#000000	1.52	21.00	1.00	21.00
##FFFFFF	13.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003384

Deuteranopia (green-blind)

#00277F

Tritanopia (blue-blind)

#003B4E

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #101e81;
/* rgb */ color: rgb(16, 30, 129);
/* oklch */ color: oklch(31.1% 0.163 267.4);

Tailwind

colors: {
  custom: {
    50: '#685ba7',
    500: '#101e81',
    950: '#000000',
  },
}

SCSS

$custom: #101e81;
$custom-light: #685ba7;
$custom-dark: #000000;

JSON

{
  "hex": "#101e81",
  "rgb": {
    "r": 16,
    "g": 30,
    "b": 129
  },
  "hsl": {
    "h": 232.566,
    "s": 77.931,
    "l": 28.431
  },
  "oklch": {
    "l": 0.31124,
    "c": 0.16302,
    "h": 267.4
  },
  "luminance": 0.02624
}

Semantic roles & 50–950 ramp

primary

#101E81

secondary

#B7A736

accent

#DD33F4

background

#F6F5FA

surface

#ECE9F4

border

#C7C5CE

text

#070410

muted

#7A797F

Preview Lab

Preview with #101E81

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

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