#0A0931#0A0931

#0A0931 is a very dark, moderate blue. Relative luminance 0.005; OKLCH L 17.6% C 0.076 H 276.2°. Best body text is #FFFFFF at 19.15:1 contrast (WCAG AA passes).

Color values

HEX	#0A0931
RGB	rgb(10, 9, 49)
HSL	hsl(242, 69%, 11%)
HSV	hsv(242, 82%, 19%)
CMYK	cmyk(79.6%, 81.6%, 0%, 80.8%)
CIE-LAB	lab(4.35, 13.08, -25.03)
CIE-LCH	lch(4.35, 28.24, 297.59°)
OKLab	oklab(17.57% 0.0083 -0.0761)
OKLCH	oklch(17.57% 0.077 276.2)
XYZ	xyz(0.7771, 0.4816, 2.9571)
Luminance	0.0048 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0A0931 #303109

analogous

#091C31 #0A0931 #1E0931

triadic

#0A0931 #310A09 #09310A

tetradic

#0A0931 #31091C #303109 #09311E

square

#0A0931 #31091C #303109 #09311E

split-complementary

#0A0931 #311E09 #1C3109

monochromatic

#05051A #05051A #0A0931 #151265 #1F1C98

Accessibility & contrast

On white

19.15

#0A0931 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.10

#0A0931 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0A0931

19.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0A0931	#FFFFFF	#000000	##FFFFFF
##0A0931	1.00	19.15	1.10	19.15
#FFFFFF	19.15	1.00	21.00	1.00
#000000	1.10	21.00	1.00	21.00
##FFFFFF	19.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001132

Deuteranopia (green-blind)

#000D30

Tritanopia (blue-blind)

#00141B

Achromatopsia (no color)

#0F0F0F

Design tokens & code

CSS

--color: #0a0931;
/* rgb */ color: rgb(10, 9, 49);
/* oklch */ color: oklch(17.6% 0.076 276.2);

Tailwind

colors: {
  custom: {
    50: '#4e4a69',
    500: '#0a0931',
    950: '#000000',
  },
}

SCSS

$custom: #0a0931;
$custom-light: #4e4a69;
$custom-dark: #000000;

JSON

{
  "hex": "#0a0931",
  "rgb": {
    "r": 10,
    "g": 9,
    "b": 49
  },
  "hsl": {
    "h": 241.5,
    "s": 68.966,
    "l": 11.373
  },
  "oklch": {
    "l": 0.1757,
    "c": 0.0765,
    "h": 276.2
  },
  "luminance": 0.00482
}

Semantic roles & 50–950 ramp

primary

#0A0931

secondary

#6D6F27

accent

#EC3CE7

background

#F4F4F6

surface

#E7E7EB

border

#C3C3C6

text

#020106

muted

#78777A

Preview Lab

Preview with #0A0931

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

Preview Lab → · Contrast checker → · Palette generator →