#101028#101028

#101028 is a very dark, muted blue. Relative luminance 0.006; OKLCH L 18.8% C 0.048 H 280.8°. Best body text is #FFFFFF at 18.64:1 contrast (WCAG AA passes).

Color values

HEX#101028
RGBrgb(16, 16, 40)
HSLhsl(240, 43%, 11%)
HSVhsv(240, 60%, 16%)
CMYKcmyk(60%, 60%, 0%, 84.3%)
CIE-LABlab(5.73, 7.35, -16.08)
CIE-LCHlch(5.73, 17.68, 294.57°)
OKLaboklab(18.84% 0.009 -0.0469)
OKLCHoklch(18.84% 0.048 280.8)
XYZxyz(0.7819, 0.6339, 2.0882)
Luminance0.0063 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#101028 #282810
analogous
#101C28 #101028 #1C1028
triadic
#101028 #281010 #102810
tetradic
#101028 #28101C #282810 #10281C
square
#101028 #28101C #282810 #10281C
split-complementary
#101028 #281C10 #1C2810
monochromatic
#090916 #090916 #101028 #212154 #33337F

Accessibility & contrast

On white

18.64
#101028 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.13
#101028 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #101028
18.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##101028#FFFFFF#000000##FFFFFF
##1010281.0018.641.1318.64
#FFFFFF18.641.0021.001.00
#0000001.1321.001.0021.00
##FFFFFF18.641.0021.001.00

Color blindness preview

Protanopia (red-blind)
#061429
Deuteranopia (green-blind)
#051227
Tritanopia (blue-blind)
#08151A
Achromatopsia (no color)
#131313

Design tokens & code

CSS
--color: #101028;
/* rgb */ color: rgb(16, 16, 40);
/* oklch */ color: oklch(18.8% 0.048 280.8);
Tailwind
colors: {
  custom: {
    50: '#4f4e62',
    500: '#101028',
    950: '#000000',
  },
}
SCSS
$custom: #101028;
$custom-light: #4f4e62;
$custom-dark: #000000;
JSON
{
  "hex": "#101028",
  "rgb": {
    "r": 16,
    "g": 16,
    "b": 40
  },
  "hsl": {
    "h": 240,
    "s": 42.857,
    "l": 10.98
  },
  "oklch": {
    "l": 0.18836,
    "c": 0.04778,
    "h": 280.8
  },
  "luminance": 0.00634
}

Semantic roles & 50–950 ramp

primary
#101028
secondary
#606034
accent
#D355D3
background
#F4F4F5
surface
#E7E7EA
border
#C3C3C6
text
#020105
muted
#787779

Preview Lab

Preview with #101028

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

Preview Lab → · Contrast checker → · Palette generator →

#101028 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva