#101431#101431

#101431 is a very dark, muted blue. Relative luminance 0.008; OKLCH L 20.6% C 0.057 H 274.4°. Best body text is #FFFFFF at 18.00:1 contrast (WCAG AA passes).

Color values

HEX	#101431
RGB	rgb(16, 20, 49)
HSL	hsl(233, 51%, 13%)
HSV	hsv(233, 67%, 19%)
CMYK	cmyk(67.3%, 59.2%, 0%, 80.8%)
CIE-LAB	lab(7.52, 8.85, -19.94)
CIE-LCH	lch(7.52, 21.82, 293.93°)
OKLab	oklab(20.6% 0.0044 -0.057)
OKLCH	oklch(20.6% 0.057 274.4)
XYZ	xyz(1.0180, 0.8321, 3.0121)
Luminance	0.0083 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

#020035

ΔE00 6.36

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#101431 #312D10

analogous

#102431 #101431 #1C1031

triadic

#101431 #311014 #143110

tetradic

#101431 #311024 #312D10 #10311C

square

#101431 #311024 #312D10 #10311C

split-complementary

#101431 #311C10 #243110

monochromatic

#080917 #080917 #101431 #1F275F #2E3A8D

Accessibility & contrast

On white

18.00

#101431 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.17

#101431 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #101431

18.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##101431	#FFFFFF	#000000	##FFFFFF
##101431	1.00	18.00	1.17	18.00
#FFFFFF	18.00	1.00	21.00	1.00
#000000	1.17	21.00	1.00	21.00
##FFFFFF	18.00	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#061832

Deuteranopia (green-blind)

#031530

Tritanopia (blue-blind)

#021A20

Achromatopsia (no color)

#171717

Design tokens & code

CSS

--color: #101431;
/* rgb */ color: rgb(16, 20, 49);
/* oklch */ color: oklch(20.6% 0.057 274.4);

Tailwind

colors: {
  custom: {
    50: '#525169',
    500: '#101431',
    950: '#000000',
  },
}

SCSS

$custom: #101431;
$custom-light: #525169;
$custom-dark: #000000;

JSON

{
  "hex": "#101431",
  "rgb": {
    "r": 16,
    "g": 20,
    "b": 49
  },
  "hsl": {
    "h": 232.727,
    "s": 50.769,
    "l": 12.745
  },
  "oklch": {
    "l": 0.20604,
    "c": 0.05716,
    "h": 274.4
  },
  "luminance": 0.00832
}

Semantic roles & 50–950 ramp

primary

#101431

secondary

#6A6433

accent

#C94EDA

background

#F4F4F6

surface

#E7E7EB

border

#C3C3C6

text

#020206

muted

#78787A

Preview Lab

Preview with #101431

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

Preview Lab → · Contrast checker → · Palette generator →