#0A0A43#0A0A43

#0A0A43 is a very dark, moderate blue. Relative luminance 0.007; OKLCH L 20.0% C 0.102 H 272.2°. Best body text is #FFFFFF at 18.46:1 contrast (WCAG AA passes).

Color values

HEX#0A0A43
RGBrgb(10, 10, 67)
HSLhsl(240, 74%, 15%)
HSVhsv(240, 85%, 26%)
CMYKcmyk(85.1%, 85.1%, 0%, 73.7%)
CIE-LABlab(6.20, 22.21, -35.09)
CIE-LCHlch(6.20, 41.53, 302.33°)
OKLaboklab(19.99% 0.004 -0.1023)
OKLCHoklch(19.99% 0.102 272.2)
XYZxyz(1.2465, 0.6867, 5.3760)
Luminance0.0069 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#0A0A43 #43430A
analogous
#0A2643 #0A0A43 #260A43
triadic
#0A0A43 #430A0A #0A430A
tetradic
#0A0A43 #430A26 #43430A #0A4326
square
#0A0A43 #430A26 #43430A #0A4326
split-complementary
#0A0A43 #43260A #26430A
monochromatic
#04041B #04041B #0A0A43 #121278 #1A1AAE

Accessibility & contrast

On white

18.46
#0A0A43 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.14
#0A0A43 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0A0A43
18.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##0A0A43#FFFFFF#000000##FFFFFF
##0A0A431.0018.461.1418.46
#FFFFFF18.461.0021.001.00
#0000001.1421.001.0021.00
##FFFFFF18.461.0021.001.00

Color blindness preview

Protanopia (red-blind)
#001745
Deuteranopia (green-blind)
#001142
Tritanopia (blue-blind)
#001B26
Achromatopsia (no color)
#141414

Design tokens & code

CSS
--color: #0a0a43;
/* rgb */ color: rgb(10, 10, 67);
/* oklch */ color: oklch(20.0% 0.102 272.2);
Tailwind
colors: {
  custom: {
    50: '#554a78',
    500: '#0a0a43',
    950: '#000000',
  },
}
SCSS
$custom: #0a0a43;
$custom-light: #554a78;
$custom-dark: #000000;
JSON
{
  "hex": "#0a0a43",
  "rgb": {
    "r": 10,
    "g": 10,
    "b": 67
  },
  "hsl": {
    "h": 240,
    "s": 74.026,
    "l": 15.098
  },
  "oklch": {
    "l": 0.19985,
    "c": 0.10242,
    "h": 272.2
  },
  "luminance": 0.00687
}

Semantic roles & 50–950 ramp

primary
#0A0A43
secondary
#808029
accent
#F137F1
background
#F5F4F7
surface
#E9E7ED
border
#C5C3C8
text
#030109
muted
#78777B

Preview Lab

Preview with #0A0A43

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

Preview Lab → · Contrast checker → · Palette generator →

#0A0A43 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva