#101727#101727

#101727 is a very dark, muted blue. Relative luminance 0.009; OKLCH L 20.6% C 0.034 H 265.5°. Best body text is #FFFFFF at 17.89:1 contrast (WCAG AA passes).

Color values

HEX	#101727
RGB	rgb(16, 23, 39)
HSL	hsl(222, 42%, 11%)
HSV	hsv(222, 59%, 15%)
CMYK	cmyk(59%, 41%, 0%, 84.7%)
CIE-LAB	lab(7.85, 2.42, -11.99)
CIE-LCH	lch(7.85, 12.24, 281.41°)
OKLab	oklab(20.64% -0.0026 -0.0337)
OKLCH	oklch(20.64% 0.034 265.5)
XYZ	xyz(0.8862, 0.8694, 2.0402)
Luminance	0.0087 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#101727 #272010

analogous

#102227 #101727 #141027

triadic

#101727 #271017 #172710

tetradic

#101727 #271022 #272010 #102714

square

#101727 #271022 #272010 #102714

split-complementary

#101727 #271410 #222710

monochromatic

#090D16 #090D16 #101727 #223152 #344A7E

Accessibility & contrast

On white

17.89

#101727 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.17

#101727 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #101727

17.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##101727	#FFFFFF	#000000	##FFFFFF
##101727	1.00	17.89	1.17	17.89
#FFFFFF	17.89	1.00	21.00	1.00
#000000	1.17	21.00	1.00	21.00
##FFFFFF	17.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#111828

Deuteranopia (green-blind)

#0F1627

Tritanopia (blue-blind)

#071A1D

Achromatopsia (no color)

#171717

Design tokens & code

CSS

--color: #101727;
/* rgb */ color: rgb(16, 23, 39);
/* oklch */ color: oklch(20.6% 0.034 265.5);

Tailwind

colors: {
  custom: {
    50: '#4f5361',
    500: '#101727',
    950: '#000000',
  },
}

SCSS

$custom: #101727;
$custom-light: #4f5361;
$custom-dark: #000000;

JSON

{
  "hex": "#101727",
  "rgb": {
    "r": 16,
    "g": 23,
    "b": 39
  },
  "hsl": {
    "h": 221.739,
    "s": 41.818,
    "l": 10.784
  },
  "oklch": {
    "l": 0.20642,
    "c": 0.03378,
    "h": 265.5
  },
  "luminance": 0.00869
}

Semantic roles & 50–950 ramp

primary

#101727

secondary

#5F5234

accent

#AC56D2

background

#F4F4F5

surface

#E7E7E9

border

#C3C3C5

text

#020205

muted

#787879

Preview Lab

Preview with #101727

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

Preview Lab → · Contrast checker → · Palette generator →