#0A0B47#0A0B47

#0A0B47 is a very dark, moderate blue. Relative luminance 0.008; OKLCH L 20.7% C 0.107 H 271.4°. Best body text is #FFFFFF at 18.23:1 contrast (WCAG AA passes).

Color values

HEX	#0A0B47
RGB	rgb(10, 11, 71)
HSL	hsl(239, 75%, 16%)
HSV	hsv(239, 86%, 28%)
CMYK	cmyk(85.9%, 84.5%, 0%, 72.2%)
CIE-LAB	lab(6.85, 23.53, -36.85)
CIE-LCH	lch(6.85, 43.72, 302.56°)
OKLab	oklab(20.66% 0.0026 -0.107)
OKLCH	oklch(20.66% 0.107 271.4)
XYZ	xyz(1.3818, 0.7587, 6.0336)
Luminance	0.0076 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0A0B47 #47460A

analogous

#0A2947 #0A0B47 #270A47

triadic

#0A0B47 #470A0B #0B470A

tetradic

#0A0B47 #470A29 #47460A #0A4727

square

#0A0B47 #470A29 #47460A #0A4727

split-complementary

#0A0B47 #47270A #29470A

monochromatic

#04041B #04041B #0A0B47 #12137D #191CB2

Accessibility & contrast

On white

18.23

#0A0B47 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.15

#0A0B47 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0A0B47

18.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0A0B47	#FFFFFF	#000000	##FFFFFF
##0A0B47	1.00	18.23	1.15	18.23
#FFFFFF	18.23	1.00	21.00	1.00
#000000	1.15	21.00	1.00	21.00
##FFFFFF	18.23	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001849

Deuteranopia (green-blind)

#001246

Tritanopia (blue-blind)

#001D28

Achromatopsia (no color)

#151515

Design tokens & code

CSS

--color: #0a0b47;
/* rgb */ color: rgb(10, 11, 71);
/* oklch */ color: oklch(20.7% 0.107 271.4);

Tailwind

colors: {
  custom: {
    50: '#564b7b',
    500: '#0a0b47',
    950: '#000000',
  },
}

SCSS

$custom: #0a0b47;
$custom-light: #564b7b;
$custom-dark: #000000;

JSON

{
  "hex": "#0a0b47",
  "rgb": {
    "r": 10,
    "g": 11,
    "b": 71
  },
  "hsl": {
    "h": 239.016,
    "s": 75.309,
    "l": 15.882
  },
  "oklch": {
    "l": 0.20662,
    "c": 0.10701,
    "h": 271.4
  },
  "luminance": 0.00759
}

Semantic roles & 50–950 ramp

primary

#0A0B47

secondary

#848229

accent

#EF36F2

background

#F5F4F7

surface

#E9E7EE

border

#C5C3C9

text

#040109

muted

#79777B

Preview Lab

Preview with #0A0B47

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

Preview Lab → · Contrast checker → · Palette generator →