#101F41#101F41

#101F41 is a very dark, moderate blue. Relative luminance 0.015; OKLCH L 24.7% C 0.068 H 264.2°. Best body text is #FFFFFF at 16.22:1 contrast (WCAG AA passes).

Color values

HEX	#101F41
RGB	rgb(16, 31, 65)
HSL	hsl(222, 60%, 16%)
HSV	hsv(222, 75%, 25%)
CMYK	cmyk(75.4%, 52.3%, 0%, 74.5%)
CIE-LAB	lab(12.43, 7.13, -23.54)
CIE-LCH	lch(12.43, 24.59, 286.86°)
OKLab	oklab(24.75% -0.0069 -0.0673)
OKLCH	oklch(24.75% 0.068 264.2)
XYZ	xyz(1.6575, 1.4716, 5.1967)
Luminance	0.0147 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#101F41 #413210

analogous

#103741 #101F41 #191041

triadic

#101F41 #41101F #1F4110

tetradic

#101F41 #411037 #413210 #104119

square

#101F41 #411037 #413210 #104119

split-complementary

#101F41 #411910 #374110

monochromatic

#060C19 #060C19 #101F41 #1C3672 #284EA3

Accessibility & contrast

On white

16.22

#101F41 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.29

#101F41 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #101F41

16.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##101F41	#FFFFFF	#000000	##FFFFFF
##101F41	1.00	16.22	1.29	16.22
#FFFFFF	16.22	1.00	21.00	1.00
#000000	1.29	21.00	1.00	21.00
##FFFFFF	16.22	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0E2342

Deuteranopia (green-blind)

#051E40

Tritanopia (blue-blind)

#00272C

Achromatopsia (no color)

#202020

Design tokens & code

CSS

--color: #101f41;
/* rgb */ color: rgb(16, 31, 65);
/* oklch */ color: oklch(24.7% 0.068 264.2);

Tailwind

colors: {
  custom: {
    50: '#555a76',
    500: '#101f41',
    950: '#000000',
  },
}

SCSS

$custom: #101f41;
$custom-light: #555a76;
$custom-dark: #000000;

JSON

{
  "hex": "#101f41",
  "rgb": {
    "r": 16,
    "g": 31,
    "b": 65
  },
  "hsl": {
    "h": 221.633,
    "s": 60.494,
    "l": 15.882
  },
  "oklch": {
    "l": 0.24749,
    "c": 0.06768,
    "h": 264.2
  },
  "luminance": 0.01472
}

Semantic roles & 50–950 ramp

primary

#101F41

secondary

#7B6532

accent

#B344E4

background

#F5F5F7

surface

#E9E9ED

border

#C5C5C8

text

#030308

muted

#78787B

Preview Lab

Preview with #101F41

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

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