#101F47#101F47

#101F47 is a dark, moderate blue. Relative luminance 0.015; OKLCH L 25.3% C 0.078 H 265.6°. Best body text is #FFFFFF at 16.04:1 contrast (WCAG AA passes).

Color values

HEX	#101F47
RGB	rgb(16, 31, 71)
HSL	hsl(224, 63%, 17%)
HSV	hsv(224, 77%, 28%)
CMYK	cmyk(77.5%, 56.3%, 0%, 72.2%)
CIE-LAB	lab(12.89, 9.74, -26.97)
CIE-LCH	lch(12.89, 28.68, 289.86°)
OKLab	oklab(25.25% -0.0059 -0.0774)
OKLCH	oklch(25.25% 0.078 265.6)
XYZ	xyz(1.8406, 1.5449, 6.1612)
Luminance	0.0155 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#101F47 #473810

analogous

#103B47 #101F47 #1D1047

triadic

#101F47 #47101F #1F4710

tetradic

#101F47 #47103B #473810 #10471D

square

#101F47 #47103B #473810 #10471D

split-complementary

#101F47 #471D10 #3B4710

monochromatic

#060B19 #060B19 #101F47 #1B3579 #274BAB

Accessibility & contrast

On white

16.04

#101F47 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.31

#101F47 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #101F47

16.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##101F47	#FFFFFF	#000000	##FFFFFF
##101F47	1.00	16.04	1.31	16.04
#FFFFFF	16.04	1.00	21.00	1.00
#000000	1.31	21.00	1.00	21.00
##FFFFFF	16.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#082448

Deuteranopia (green-blind)

#001F46

Tritanopia (blue-blind)

#00282F

Achromatopsia (no color)

#212121

Design tokens & code

CSS

--color: #101f47;
/* rgb */ color: rgb(16, 31, 71);
/* oklch */ color: oklch(25.3% 0.078 265.6);

Tailwind

colors: {
  custom: {
    50: '#565a7a',
    500: '#101f47',
    950: '#000000',
  },
}

SCSS

$custom: #101f47;
$custom-light: #565a7a;
$custom-dark: #000000;

JSON

{
  "hex": "#101f47",
  "rgb": {
    "r": 16,
    "g": 31,
    "b": 71
  },
  "hsl": {
    "h": 223.636,
    "s": 63.218,
    "l": 17.059
  },
  "oklch": {
    "l": 0.25252,
    "c": 0.07766,
    "h": 265.6
  },
  "luminance": 0.01545
}

Semantic roles & 50–950 ramp

primary

#101F47

secondary

#816B32

accent

#B942E6

background

#F5F5F7

surface

#E9E9ED

border

#C5C5C8

text

#030309

muted

#78787B

Preview Lab

Preview with #101F47

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

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