#0A0C48#0A0C48

#0A0C48 is a very dark, moderate blue. Relative luminance 0.008; OKLCH L 21.0% C 0.107 H 271.0°. Best body text is #FFFFFF at 18.12:1 contrast (WCAG AA passes).

Color values

HEX	#0A0C48
RGB	rgb(10, 12, 72)
HSL	hsl(238, 76%, 16%)
HSV	hsv(238, 86%, 28%)
CMYK	cmyk(86.1%, 83.3%, 0%, 71.8%)
CIE-LAB	lab(7.18, 23.39, -37.01)
CIE-LCH	lch(7.18, 43.78, 302.29°)
OKLab	oklab(20.96% 0.002 -0.1073)
OKLCH	oklch(20.96% 0.107 271)
XYZ	xyz(1.4259, 0.7952, 6.2080)
Luminance	0.0080 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0A0C48 #48460A

analogous

#0A2B48 #0A0C48 #270A48

triadic

#0A0C48 #480A0C #0C480A

tetradic

#0A0C48 #480A2B #48460A #0A4827

square

#0A0C48 #480A2B #48460A #0A4827

split-complementary

#0A0C48 #48270A #2B480A

monochromatic

#04041B #04041B #0A0C48 #11157E #191EB3

Accessibility & contrast

On white

18.12

#0A0C48 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.16

#0A0C48 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0A0C48

18.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0A0C48	#FFFFFF	#000000	##FFFFFF
##0A0C48	1.00	18.12	1.16	18.12
#FFFFFF	18.12	1.00	21.00	1.00
#000000	1.16	21.00	1.00	21.00
##FFFFFF	18.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00194A

Deuteranopia (green-blind)

#001347

Tritanopia (blue-blind)

#001E29

Achromatopsia (no color)

#161616

Design tokens & code

CSS

--color: #0a0c48;
/* rgb */ color: rgb(10, 12, 72);
/* oklch */ color: oklch(21.0% 0.107 271.0);

Tailwind

colors: {
  custom: {
    50: '#564b7c',
    500: '#0a0c48',
    950: '#000000',
  },
}

SCSS

$custom: #0a0c48;
$custom-light: #564b7c;
$custom-dark: #000000;

JSON

{
  "hex": "#0a0c48",
  "rgb": {
    "r": 10,
    "g": 12,
    "b": 72
  },
  "hsl": {
    "h": 238.065,
    "s": 75.61,
    "l": 16.078
  },
  "oklch": {
    "l": 0.20955,
    "c": 0.10732,
    "h": 271
  },
  "luminance": 0.00795
}

Semantic roles & 50–950 ramp

primary

#0A0C48

secondary

#858229

accent

#EC36F2

background

#F5F4F7

surface

#E9E7EE

border

#C5C3C9

text

#040109

muted

#79777B

Preview Lab

Preview with #0A0C48

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

Preview Lab → · Contrast checker → · Palette generator →