#101227#101227

#101227 is a very dark, muted blue. Relative luminance 0.007; OKLCH L 19.3% C 0.042 H 277.6°. Best body text is #FFFFFF at 18.46:1 contrast (WCAG AA passes).

Color values

HEX	#101227
RGB	rgb(16, 18, 39)
HSL	hsl(235, 42%, 11%)
HSV	hsv(235, 59%, 15%)
CMYK	cmyk(59%, 53.8%, 0%, 84.7%)
CIE-LAB	lab(6.23, 5.78, -14.54)
CIE-LCH	lch(6.23, 15.64, 291.67°)
OKLab	oklab(19.27% 0.0056 -0.0419)
OKLCH	oklch(19.27% 0.042 277.6)
XYZ	xyz(0.7961, 0.6892, 2.0101)
Luminance	0.0069 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#101227 #272510

analogous

#101D27 #101227 #191027

triadic

#101227 #271012 #122710

tetradic

#101227 #27101D #272510 #102719

square

#101227 #27101D #272510 #102719

split-complementary

#101227 #271910 #1D2710

monochromatic

#090A16 #090A16 #101227 #222652 #343A7E

Accessibility & contrast

On white

18.46

#101227 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.14

#101227 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #101227

18.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##101227	#FFFFFF	#000000	##FFFFFF
##101227	1.00	18.46	1.14	18.46
#FFFFFF	18.46	1.00	21.00	1.00
#000000	1.14	21.00	1.00	21.00
##FFFFFF	18.46	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0A1528

Deuteranopia (green-blind)

#081327

Tritanopia (blue-blind)

#08161A

Achromatopsia (no color)

#141414

Design tokens & code

CSS

--color: #101227;
/* rgb */ color: rgb(16, 18, 39);
/* oklch */ color: oklch(19.3% 0.042 277.6);

Tailwind

colors: {
  custom: {
    50: '#4f4f61',
    500: '#101227',
    950: '#000000',
  },
}

SCSS

$custom: #101227;
$custom-light: #4f4f61;
$custom-dark: #000000;

JSON

{
  "hex": "#101227",
  "rgb": {
    "r": 16,
    "g": 18,
    "b": 39
  },
  "hsl": {
    "h": 234.783,
    "s": 41.818,
    "l": 10.784
  },
  "oklch": {
    "l": 0.19273,
    "c": 0.04224,
    "h": 277.6
  },
  "luminance": 0.00689
}

Semantic roles & 50–950 ramp

primary

#101227

secondary

#5F5B34

accent

#C756D2

background

#F4F4F5

surface

#E7E7E9

border

#C3C3C5

text

#020205

muted

#787879

Preview Lab

Preview with #101227

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

Preview Lab → · Contrast checker → · Palette generator →