#0A1827#0A1827

#0A1827 is a very dark, muted cyan. Relative luminance 0.009; OKLCH L 20.5% C 0.036 H 251.5°. Best body text is #FFFFFF at 17.91:1 contrast (WCAG AA passes).

Color values

HEX#0A1827
RGBrgb(10, 24, 39)
HSLhsl(211, 59%, 10%)
HSVhsv(211, 74%, 15%)
CMYKcmyk(74.4%, 38.5%, 0%, 84.7%)
CIE-LABlab(7.81, -0.14, -12.10)
CIE-LCHlch(7.81, 12.10, 269.32°)
OKLaboklab(20.49% -0.0114 -0.0341)
OKLCHoklch(20.49% 0.036 251.5)
XYZxyz(0.8179, 0.8642, 2.0428)
Luminance0.0086 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#0A1827 #27190A
analogous
#0A2727 #0A1827 #0A0A27
triadic
#0A1827 #270A18 #18270A
tetradic
#0A1827 #270A27 #27190A #0A270A
square
#0A1827 #270A27 #27190A #0A270A
split-complementary
#0A1827 #270A0A #27270A
monochromatic
#060F18 #060F18 #0A1827 #163658 #235488

Accessibility & contrast

On white

17.91
#0A1827 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.17
#0A1827 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0A1827
17.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##0A1827#FFFFFF#000000##FFFFFF
##0A18271.0017.911.1717.91
#FFFFFF17.911.0021.001.00
#0000001.1721.001.0021.00
##FFFFFF17.911.0021.001.00

Color blindness preview

Protanopia (red-blind)
#121928
Deuteranopia (green-blind)
#0E1627
Tritanopia (blue-blind)
#001B1D
Achromatopsia (no color)
#171717

Design tokens & code

CSS
--color: #0a1827;
/* rgb */ color: rgb(10, 24, 39);
/* oklch */ color: oklch(20.5% 0.036 251.5);
Tailwind
colors: {
  custom: {
    50: '#4c5461',
    500: '#0a1827',
    950: '#000000',
  },
}
SCSS
$custom: #0a1827;
$custom-light: #4c5461;
$custom-dark: #000000;
JSON
{
  "hex": "#0a1827",
  "rgb": {
    "r": 10,
    "g": 24,
    "b": 39
  },
  "hsl": {
    "h": 211.034,
    "s": 59.184,
    "l": 9.608
  },
  "oklch": {
    "l": 0.20493,
    "c": 0.03596,
    "h": 251.5
  },
  "luminance": 0.00864
}

Semantic roles & 50–950 ramp

primary
#0A1827
secondary
#644729
accent
#9745E2
background
#F4F4F5
surface
#E7E7E9
border
#C3C3C5
text
#010205
muted
#777879

Preview Lab

Preview with #0A1827

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

Preview Lab → · Contrast checker → · Palette generator →

#0A1827 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva