#0A1147#0A1147

#0A1147 is a very dark, moderate blue. Relative luminance 0.009; OKLCH L 21.7% C 0.100 H 269.7°. Best body text is #FFFFFF at 17.74:1 contrast (WCAG AA passes).

Color values

HEX	#0A1147
RGB	rgb(10, 17, 71)
HSL	hsl(233, 75%, 16%)
HSV	hsv(233, 86%, 28%)
CMYK	cmyk(85.9%, 76.1%, 0%, 72.2%)
CIE-LAB	lab(8.31, 19.59, -34.45)
CIE-LCH	lch(8.31, 39.63, 299.62°)
OKLab	oklab(21.75% -0.0006 -0.0997)
OKLCH	oklch(21.75% 0.1 269.7)
XYZ	xyz(1.4626, 0.9202, 6.0605)
Luminance	0.0092 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Navy Blue (survey)

#001146

ΔE00 1.35

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0A1147 #47400A

analogous

#0A2F47 #0A1147 #210A47

triadic

#0A1147 #470A11 #11470A

tetradic

#0A1147 #470A2F #47400A #0A4721

square

#0A1147 #470A2F #47400A #0A4721

split-complementary

#0A1147 #47210A #2F470A

monochromatic

#04061B #04061B #0A1147 #121E7D #192BB2

Accessibility & contrast

On white

17.74

#0A1147 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.18

#0A1147 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0A1147

17.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0A1147	#FFFFFF	#000000	##FFFFFF
##0A1147	1.00	17.74	1.18	17.74
#FFFFFF	17.74	1.00	21.00	1.00
#000000	1.18	21.00	1.00	21.00
##FFFFFF	17.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001B49

Deuteranopia (green-blind)

#001546

Tritanopia (blue-blind)

#00202A

Achromatopsia (no color)

#181818

Design tokens & code

CSS

--color: #0a1147;
/* rgb */ color: rgb(10, 17, 71);
/* oklch */ color: oklch(21.7% 0.100 269.7);

Tailwind

colors: {
  custom: {
    50: '#564f7b',
    500: '#0a1147',
    950: '#000000',
  },
}

SCSS

$custom: #0a1147;
$custom-light: #564f7b;
$custom-dark: #000000;

JSON

{
  "hex": "#0a1147",
  "rgb": {
    "r": 10,
    "g": 17,
    "b": 71
  },
  "hsl": {
    "h": 233.115,
    "s": 75.309,
    "l": 15.882
  },
  "oklch": {
    "l": 0.21748,
    "c": 0.09973,
    "h": 269.7
  },
  "luminance": 0.0092
}

Semantic roles & 50–950 ramp

primary

#0A1147

secondary

#847929

accent

#DC36F2

background

#F5F4F7

surface

#E9E7EE

border

#C5C3C9

text

#030109

muted

#78777B

Preview Lab

Preview with #0A1147

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

Preview Lab → · Contrast checker → · Palette generator →