#101A31#101A31

#101A31 is a very dark, muted blue. Relative luminance 0.011; OKLCH L 22.2% C 0.047 H 265.0°. Best body text is #FFFFFF at 17.30:1 contrast (WCAG AA passes).

Color values

HEX	#101A31
RGB	rgb(16, 26, 49)
HSL	hsl(222, 51%, 13%)
HSV	hsv(222, 67%, 19%)
CMYK	cmyk(67.3%, 46.9%, 0%, 80.8%)
CIE-LAB	lab(9.57, 4.16, -16.67)
CIE-LCH	lch(9.57, 17.18, 284.02°)
OKLab	oklab(22.18% -0.0041 -0.0473)
OKLCH	oklch(22.18% 0.047 265)
XYZ	xyz(1.1373, 1.0706, 3.0519)
Luminance	0.0107 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#101A31 #312710

analogous

#102A31 #101A31 #161031

triadic

#101A31 #31101A #1A3110

tetradic

#101A31 #31102A #312710 #103116

square

#101A31 #31102A #312710 #103116

split-complementary

#101A31 #311610 #2A3110

monochromatic

#080C17 #080C17 #101A31 #1F325F #2E4B8D

Accessibility & contrast

On white

17.30

#101A31 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.21

#101A31 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #101A31

17.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##101A31	#FFFFFF	#000000	##FFFFFF
##101A31	1.00	17.30	1.21	17.30
#FFFFFF	17.30	1.00	21.00	1.00
#000000	1.21	21.00	1.00	21.00
##FFFFFF	17.30	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#101C32

Deuteranopia (green-blind)

#0C1931

Tritanopia (blue-blind)

#011F23

Achromatopsia (no color)

#1B1B1B

Design tokens & code

CSS

--color: #101a31;
/* rgb */ color: rgb(16, 26, 49);
/* oklch */ color: oklch(22.2% 0.047 265.0);

Tailwind

colors: {
  custom: {
    50: '#515669',
    500: '#101a31',
    950: '#000000',
  },
}

SCSS

$custom: #101a31;
$custom-light: #515669;
$custom-dark: #000000;

JSON

{
  "hex": "#101a31",
  "rgb": {
    "r": 16,
    "g": 26,
    "b": 49
  },
  "hsl": {
    "h": 221.818,
    "s": 50.769,
    "l": 12.745
  },
  "oklch": {
    "l": 0.22179,
    "c": 0.04745,
    "h": 265
  },
  "luminance": 0.01071
}

Semantic roles & 50–950 ramp

primary

#101A31

secondary

#6A5933

accent

#B04EDA

background

#F4F5F6

surface

#E7E8EB

border

#C3C4C6

text

#020306

muted

#78787A

Preview Lab

Preview with #101A31

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

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