#101C83#101C83

#101C83 is a dark, vivid blue. Relative luminance 0.026; OKLCH L 31.1% C 0.168 H 267.6°. Best body text is #FFFFFF at 13.85:1 contrast (WCAG AA passes).

Color values

HEX	#101C83
RGB	rgb(16, 28, 131)
HSL	hsl(234, 78%, 29%)
HSV	hsv(234, 88%, 51%)
CMYK	cmyk(87.8%, 78.6%, 0%, 48.6%)
CIE-LAB	lab(18.27, 36.12, -57.77)
CIE-LCH	lch(18.27, 68.13, 302.02°)
OKLab	oklab(31.05% -0.007 -0.1674)
OKLCH	oklch(31.05% 0.168 267.6)
XYZ	xyz(4.7243, 2.5788, 21.7171)
Luminance	0.0258 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#101C83 #837710

analogous

#105683 #101C83 #3E1083

triadic

#101C83 #83101C #1C8310

tetradic

#101C83 #831056 #837710 #10833E

square

#101C83 #831056 #837710 #10833E

split-complementary

#101C83 #833E10 #568310

monochromatic

#03061B #09104C #101C83 #1728BA #293CE5

Accessibility & contrast

On white

13.85

#101C83 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.52

#101C83 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #101C83

13.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##101C83	#FFFFFF	#000000	##FFFFFF
##101C83	1.00	13.85	1.52	13.85
#FFFFFF	13.85	1.00	21.00	1.00
#000000	1.52	21.00	1.00	21.00
##FFFFFF	13.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003286

Deuteranopia (green-blind)

#002781

Tritanopia (blue-blind)

#003B4E

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #101c83;
/* rgb */ color: rgb(16, 28, 131);
/* oklch */ color: oklch(31.1% 0.168 267.6);

Tailwind

colors: {
  custom: {
    50: '#6859a8',
    500: '#101c83',
    950: '#000000',
  },
}

SCSS

$custom: #101c83;
$custom-light: #6859a8;
$custom-dark: #000000;

JSON

{
  "hex": "#101c83",
  "rgb": {
    "r": 16,
    "g": 28,
    "b": 131
  },
  "hsl": {
    "h": 233.739,
    "s": 78.231,
    "l": 28.824
  },
  "oklch": {
    "l": 0.31054,
    "c": 0.16759,
    "h": 267.6
  },
  "luminance": 0.02579
}

Semantic roles & 50–950 ramp

primary

#101C83

secondary

#B9AB36

accent

#E133F5

background

#F6F5FA

surface

#ECE9F4

border

#C7C5CE

text

#080410

muted

#7A797F

Preview Lab

Preview with #101C83

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

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