#0A032E#0A032E

#0A032E is a very dark, moderate blue. Relative luminance 0.003; OKLCH L 15.8% C 0.082 H 280.9°. Best body text is #FFFFFF at 19.71:1 contrast (WCAG AA passes).

Color values

HEX	#0A032E
RGB	rgb(10, 3, 46)
HSL	hsl(250, 88%, 10%)
HSV	hsv(250, 93%, 18%)
CMYK	cmyk(78.3%, 93.5%, 0%, 82%)
CIE-LAB	lab(2.95, 13.93, -25.01)
CIE-LCH	lch(2.95, 28.63, 299.11°)
OKLab	oklab(15.78% 0.0156 -0.0808)
OKLCH	oklch(15.78% 0.082 280.9)
XYZ	xyz(0.6507, 0.3269, 2.6130)
Luminance	0.0033 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0A032E #272E03

analogous

#03122E #0A032E #20032E

triadic

#0A032E #2E0A03 #032E0A

tetradic

#0A032E #2E0312 #272E03 #032E20

square

#0A032E #2E0312 #272E03 #032E20

split-complementary

#0A032E #2E2003 #122E03

monochromatic

#06021D #06021D #0A032E #160767 #230AA1

Accessibility & contrast

On white

19.71

#0A032E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.07

#0A032E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0A032E

19.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0A032E	#FFFFFF	#000000	##FFFFFF
##0A032E	1.00	19.71	1.07	19.71
#FFFFFF	19.71	1.00	21.00	1.00
#000000	1.07	21.00	1.00	21.00
##FFFFFF	19.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#000C2F

Deuteranopia (green-blind)

#00092D

Tritanopia (blue-blind)

#000F18

Achromatopsia (no color)

#0B0B0B

Design tokens & code

CSS

--color: #0a032e;
/* rgb */ color: rgb(10, 3, 46);
/* oklch */ color: oklch(15.8% 0.082 280.9);

Tailwind

colors: {
  custom: {
    50: '#4d4867',
    500: '#0a032e',
    950: '#000000',
  },
}

SCSS

$custom: #0a032e;
$custom-light: #4d4867;
$custom-dark: #000000;

JSON

{
  "hex": "#0a032e",
  "rgb": {
    "r": 10,
    "g": 3,
    "b": 46
  },
  "hsl": {
    "h": 249.767,
    "s": 87.755,
    "l": 9.608
  },
  "oklch": {
    "l": 0.15779,
    "c": 0.08231,
    "h": 280.9
  },
  "luminance": 0.00327
}

Semantic roles & 50–950 ramp

primary

#0A032E

secondary

#64721B

accent

#FE2ADB

background

#F4F4F6

surface

#E7E6EB

border

#C3C2C6

text

#010006

muted

#77777A

Preview Lab

Preview with #0A032E

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

Preview Lab → · Contrast checker → · Palette generator →