#101E83#101E83

#101E83 is a dark, vivid blue. Relative luminance 0.027; OKLCH L 31.4% C 0.166 H 267.4°. Best body text is #FFFFFF at 13.68:1 contrast (WCAG AA passes).

Color values

HEX	#101E83
RGB	rgb(16, 30, 131)
HSL	hsl(233, 78%, 29%)
HSV	hsv(233, 88%, 51%)
CMYK	cmyk(87.8%, 77.1%, 0%, 48.6%)
CIE-LAB	lab(18.70, 34.90, -57.06)
CIE-LCH	lch(18.70, 66.88, 301.46°)
OKLab	oklab(31.36% -0.0075 -0.1654)
OKLCH	oklch(31.36% 0.166 267.4)
XYZ	xyz(4.7733, 2.6768, 21.7334)
Luminance	0.0268 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#101E83 #837510

analogous

#105883 #101E83 #3C1083

triadic

#101E83 #83101E #1E8310

tetradic

#101E83 #831058 #837510 #10833C

square

#101E83 #831058 #837510 #10833C

split-complementary

#101E83 #833C10 #588310

monochromatic

#03061B #09124C #101E83 #172ABA #2940E5

Accessibility & contrast

On white

13.68

#101E83 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.54

#101E83 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #101E83

13.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##101E83	#FFFFFF	#000000	##FFFFFF
##101E83	1.00	13.68	1.54	13.68
#FFFFFF	13.68	1.00	21.00	1.00
#000000	1.54	21.00	1.00	21.00
##FFFFFF	13.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003386

Deuteranopia (green-blind)

#002881

Tritanopia (blue-blind)

#003C4F

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #101e83;
/* rgb */ color: rgb(16, 30, 131);
/* oklch */ color: oklch(31.4% 0.166 267.4);

Tailwind

colors: {
  custom: {
    50: '#685ba8',
    500: '#101e83',
    950: '#000000',
  },
}

SCSS

$custom: #101e83;
$custom-light: #685ba8;
$custom-dark: #000000;

JSON

{
  "hex": "#101e83",
  "rgb": {
    "r": 16,
    "g": 30,
    "b": 131
  },
  "hsl": {
    "h": 232.696,
    "s": 78.231,
    "l": 28.824
  },
  "oklch": {
    "l": 0.31359,
    "c": 0.16558,
    "h": 267.4
  },
  "luminance": 0.02677
}

Semantic roles & 50–950 ramp

primary

#101E83

secondary

#B9A936

accent

#DD33F5

background

#F6F5FA

surface

#ECE9F4

border

#C7C5CE

text

#070410

muted

#7A797F

Preview Lab

Preview with #101E83

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

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