#101D42#101D42

#101D42 is a very dark, moderate blue. Relative luminance 0.014; OKLCH L 24.3% C 0.072 H 266.5°. Best body text is #FFFFFF at 16.45:1 contrast (WCAG AA passes).

Color values

HEX	#101D42
RGB	rgb(16, 29, 66)
HSL	hsl(224, 61%, 16%)
HSV	hsv(224, 76%, 26%)
CMYK	cmyk(75.8%, 56.1%, 0%, 74.1%)
CIE-LAB	lab(11.84, 9.11, -25.18)
CIE-LCH	lch(11.84, 26.78, 289.89°)
OKLab	oklab(24.32% -0.0044 -0.0722)
OKLCH	oklch(24.32% 0.072 266.5)
XYZ	xyz(1.6361, 1.3821, 5.3337)
Luminance	0.0138 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#101D42 #423510

analogous

#103642 #101D42 #1C1042

triadic

#101D42 #42101D #1D4210

tetradic

#101D42 #421036 #423510 #10421C

square

#101D42 #421036 #423510 #10421C

split-complementary

#101D42 #421C10 #364210

monochromatic

#060B19 #060B19 #101D42 #1C3373 #2848A5

Accessibility & contrast

On white

16.45

#101D42 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.28

#101D42 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #101D42

16.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##101D42	#FFFFFF	#000000	##FFFFFF
##101D42	1.00	16.45	1.28	16.45
#FFFFFF	16.45	1.00	21.00	1.00
#000000	1.28	21.00	1.00	21.00
##FFFFFF	16.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#082243

Deuteranopia (green-blind)

#001D41

Tritanopia (blue-blind)

#00262C

Achromatopsia (no color)

#1F1F1F

Design tokens & code

CSS

--color: #101d42;
/* rgb */ color: rgb(16, 29, 66);
/* oklch */ color: oklch(24.3% 0.072 266.5);

Tailwind

colors: {
  custom: {
    50: '#555877',
    500: '#101d42',
    950: '#000000',
  },
}

SCSS

$custom: #101d42;
$custom-light: #555877;
$custom-dark: #000000;

JSON

{
  "hex": "#101d42",
  "rgb": {
    "r": 16,
    "g": 29,
    "b": 66
  },
  "hsl": {
    "h": 224.4,
    "s": 60.976,
    "l": 16.078
  },
  "oklch": {
    "l": 0.24324,
    "c": 0.07236,
    "h": 266.5
  },
  "luminance": 0.01382
}

Semantic roles & 50–950 ramp

primary

#101D42

secondary

#7C6932

accent

#BA44E4

background

#F5F5F7

surface

#E9E9ED

border

#C5C5C8

text

#030308

muted

#78787B

Preview Lab

Preview with #101D42

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

Preview Lab → · Contrast checker → · Palette generator →