#0A0B48#0A0B48

#0A0B48 is a very dark, moderate blue. Relative luminance 0.008; OKLCH L 20.8% C 0.108 H 271.3°. Best body text is #FFFFFF at 18.19:1 contrast (WCAG AA passes).

Color values

HEX	#0A0B48
RGB	rgb(10, 11, 72)
HSL	hsl(239, 76%, 16%)
HSV	hsv(239, 86%, 28%)
CMYK	cmyk(86.1%, 84.7%, 0%, 71.8%)
CIE-LAB	lab(6.97, 23.97, -37.36)
CIE-LCH	lch(6.97, 44.38, 302.68°)
OKLab	oklab(20.79% 0.0024 -0.1084)
OKLCH	oklch(20.79% 0.108 271.3)
XYZ	xyz(1.4141, 0.7716, 6.2040)
Luminance	0.0077 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0A0B48 #48470A

analogous

#0A2A48 #0A0B48 #280A48

triadic

#0A0B48 #480A0B #0B480A

tetradic

#0A0B48 #480A2A #48470A #0A4828

square

#0A0B48 #480A2A #48470A #0A4828

split-complementary

#0A0B48 #48280A #2A480A

monochromatic

#04041B #04041B #0A0B48 #11137E #191BB3

Accessibility & contrast

On white

18.19

#0A0B48 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.15

#0A0B48 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0A0B48

18.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0A0B48	#FFFFFF	#000000	##FFFFFF
##0A0B48	1.00	18.19	1.15	18.19
#FFFFFF	18.19	1.00	21.00	1.00
#000000	1.15	21.00	1.00	21.00
##FFFFFF	18.19	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00184A

Deuteranopia (green-blind)

#001247

Tritanopia (blue-blind)

#001D29

Achromatopsia (no color)

#151515

Design tokens & code

CSS

--color: #0a0b48;
/* rgb */ color: rgb(10, 11, 72);
/* oklch */ color: oklch(20.8% 0.108 271.3);

Tailwind

colors: {
  custom: {
    50: '#574b7c',
    500: '#0a0b48',
    950: '#000000',
  },
}

SCSS

$custom: #0a0b48;
$custom-light: #574b7c;
$custom-dark: #000000;

JSON

{
  "hex": "#0a0b48",
  "rgb": {
    "r": 10,
    "g": 11,
    "b": 72
  },
  "hsl": {
    "h": 239.032,
    "s": 75.61,
    "l": 16.078
  },
  "oklch": {
    "l": 0.20791,
    "c": 0.10843,
    "h": 271.3
  },
  "luminance": 0.00772
}

Semantic roles & 50–950 ramp

primary

#0A0B48

secondary

#858329

accent

#EF36F2

background

#F5F4F7

surface

#E9E7EE

border

#C5C3C9

text

#040109

muted

#79777B

Preview Lab

Preview with #0A0B48

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

Preview Lab → · Contrast checker → · Palette generator →