#0A0C43#0A0C43

#0A0C43 is a very dark, moderate blue. Relative luminance 0.007; OKLCH L 20.3% C 0.100 H 271.7°. Best body text is #FFFFFF at 18.32:1 contrast (WCAG AA passes).

Color values

HEX	#0A0C43
RGB	rgb(10, 12, 67)
HSL	hsl(238, 74%, 15%)
HSV	hsv(238, 85%, 26%)
CMYK	cmyk(85.1%, 82.1%, 0%, 73.7%)
CIE-LAB	lab(6.62, 21.14, -34.41)
CIE-LCH	lch(6.62, 40.39, 301.56°)
OKLab	oklab(20.33% 0.0029 -0.1)
OKLCH	oklch(20.33% 0.1 271.7)
XYZ	xyz(1.2694, 0.7326, 5.3836)
Luminance	0.0073 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0A0C43 #43410A

analogous

#0A2843 #0A0C43 #250A43

triadic

#0A0C43 #430A0C #0C430A

tetradic

#0A0C43 #430A28 #43410A #0A4325

square

#0A0C43 #430A28 #43410A #0A4325

split-complementary

#0A0C43 #43250A #28430A

monochromatic

#04051B #04051B #0A0C43 #121678 #1A1FAE

Accessibility & contrast

On white

18.32

#0A0C43 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.15

#0A0C43 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0A0C43

18.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0A0C43	#FFFFFF	#000000	##FFFFFF
##0A0C43	1.00	18.32	1.15	18.32
#FFFFFF	18.32	1.00	21.00	1.00
#000000	1.15	21.00	1.00	21.00
##FFFFFF	18.32	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001745

Deuteranopia (green-blind)

#001242

Tritanopia (blue-blind)

#001C26

Achromatopsia (no color)

#151515

Design tokens & code

CSS

--color: #0a0c43;
/* rgb */ color: rgb(10, 12, 67);
/* oklch */ color: oklch(20.3% 0.100 271.7);

Tailwind

colors: {
  custom: {
    50: '#554b78',
    500: '#0a0c43',
    950: '#000000',
  },
}

SCSS

$custom: #0a0c43;
$custom-light: #554b78;
$custom-dark: #000000;

JSON

{
  "hex": "#0a0c43",
  "rgb": {
    "r": 10,
    "g": 12,
    "b": 67
  },
  "hsl": {
    "h": 237.895,
    "s": 74.026,
    "l": 15.098
  },
  "oklch": {
    "l": 0.20326,
    "c": 0.10009,
    "h": 271.7
  },
  "luminance": 0.00733
}

Semantic roles & 50–950 ramp

primary

#0A0C43

secondary

#807D29

accent

#EA37F1

background

#F5F4F7

surface

#E9E7ED

border

#C5C3C8

text

#030109

muted

#78777B

Preview Lab

Preview with #0A0C43

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

Preview Lab → · Contrast checker → · Palette generator →