#101427#101427

#101427 is a very dark, muted blue. Relative luminance 0.008; OKLCH L 19.8% C 0.039 H 273.4°. Best body text is #FFFFFF at 18.24:1 contrast (WCAG AA passes).

Color values

HEX	#101427
RGB	rgb(16, 20, 39)
HSL	hsl(230, 42%, 11%)
HSV	hsv(230, 59%, 15%)
CMYK	cmyk(59%, 48.7%, 0%, 84.7%)
CIE-LAB	lab(6.84, 4.53, -13.58)
CIE-LCH	lch(6.84, 14.32, 288.43°)
OKLab	oklab(19.81% 0.0023 -0.0386)
OKLCH	oklch(19.81% 0.039 273.4)
XYZ	xyz(0.8299, 0.7569, 2.0214)
Luminance	0.0076 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#101427 #272310

analogous

#101F27 #101427 #171027

triadic

#101427 #271014 #142710

tetradic

#101427 #27101F #272310 #102717

square

#101427 #27101F #272310 #102717

split-complementary

#101427 #271710 #1F2710

monochromatic

#090B16 #090B16 #101427 #222A52 #34417E

Accessibility & contrast

On white

18.24

#101427 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.15

#101427 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #101427

18.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##101427	#FFFFFF	#000000	##FFFFFF
##101427	1.00	18.24	1.15	18.24
#FFFFFF	18.24	1.00	21.00	1.00
#000000	1.15	21.00	1.00	21.00
##FFFFFF	18.24	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0D1628

Deuteranopia (green-blind)

#0B1427

Tritanopia (blue-blind)

#08181B

Achromatopsia (no color)

#151515

Design tokens & code

CSS

--color: #101427;
/* rgb */ color: rgb(16, 20, 39);
/* oklch */ color: oklch(19.8% 0.039 273.4);

Tailwind

colors: {
  custom: {
    50: '#4f5161',
    500: '#101427',
    950: '#000000',
  },
}

SCSS

$custom: #101427;
$custom-light: #4f5161;
$custom-dark: #000000;

JSON

{
  "hex": "#101427",
  "rgb": {
    "r": 16,
    "g": 20,
    "b": 39
  },
  "hsl": {
    "h": 229.565,
    "s": 41.818,
    "l": 10.784
  },
  "oklch": {
    "l": 0.1981,
    "c": 0.03869,
    "h": 273.4
  },
  "luminance": 0.00757
}

Semantic roles & 50–950 ramp

primary

#101427

secondary

#5F5734

accent

#BC56D2

background

#F4F4F5

surface

#E7E7E9

border

#C3C3C5

text

#020205

muted

#787879

Preview Lab

Preview with #101427

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

Preview Lab → · Contrast checker → · Palette generator →