#101327#101327

#101327 is a very dark, muted blue. Relative luminance 0.007; OKLCH L 19.5% C 0.040 H 275.6°. Best body text is #FFFFFF at 18.35:1 contrast (WCAG AA passes).

Color values

HEX	#101327
RGB	rgb(16, 19, 39)
HSL	hsl(232, 42%, 11%)
HSV	hsv(232, 59%, 15%)
CMYK	cmyk(59%, 51.3%, 0%, 84.7%)
CIE-LAB	lab(6.52, 5.17, -14.07)
CIE-LCH	lch(6.52, 14.99, 290.17°)
OKLab	oklab(19.54% 0.0039 -0.0402)
OKLCH	oklch(19.54% 0.04 275.6)
XYZ	xyz(0.8127, 0.7223, 2.0157)
Luminance	0.0072 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#101327 #272410

analogous

#101E27 #101327 #181027

triadic

#101327 #271013 #132710

tetradic

#101327 #27101E #272410 #102718

square

#101327 #27101E #272410 #102718

split-complementary

#101327 #271810 #1E2710

monochromatic

#090B16 #090B16 #101327 #222852 #343D7E

Accessibility & contrast

On white

18.35

#101327 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.14

#101327 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #101327

18.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##101327	#FFFFFF	#000000	##FFFFFF
##101327	1.00	18.35	1.14	18.35
#FFFFFF	18.35	1.00	21.00	1.00
#000000	1.14	21.00	1.00	21.00
##FFFFFF	18.35	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0B1528

Deuteranopia (green-blind)

#091427

Tritanopia (blue-blind)

#08171B

Achromatopsia (no color)

#141414

Design tokens & code

CSS

--color: #101327;
/* rgb */ color: rgb(16, 19, 39);
/* oklch */ color: oklch(19.5% 0.040 275.6);

Tailwind

colors: {
  custom: {
    50: '#4f5061',
    500: '#101327',
    950: '#000000',
  },
}

SCSS

$custom: #101327;
$custom-light: #4f5061;
$custom-dark: #000000;

JSON

{
  "hex": "#101327",
  "rgb": {
    "r": 16,
    "g": 19,
    "b": 39
  },
  "hsl": {
    "h": 232.174,
    "s": 41.818,
    "l": 10.784
  },
  "oklch": {
    "l": 0.19539,
    "c": 0.04044,
    "h": 275.6
  },
  "luminance": 0.00722
}

Semantic roles & 50–950 ramp

primary

#101327

secondary

#5F5934

accent

#C256D2

background

#F4F4F5

surface

#E7E7E9

border

#C3C3C5

text

#020205

muted

#787879

Preview Lab

Preview with #101327

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

Preview Lab → · Contrast checker → · Palette generator →