#0A0B49#0A0B49

#0A0B49 is a very dark, moderate blue. Relative luminance 0.008; OKLCH L 20.9% C 0.110 H 271.1°. Best body text is #FFFFFF at 18.15:1 contrast (WCAG AA passes).

Color values

HEX	#0A0B49
RGB	rgb(10, 11, 73)
HSL	hsl(239, 76%, 16%)
HSV	hsv(239, 86%, 29%)
CMYK	cmyk(86.3%, 84.9%, 0%, 71.4%)
CIE-LAB	lab(7.09, 24.40, -37.86)
CIE-LCH	lch(7.09, 45.04, 302.80°)
OKLab	oklab(20.92% 0.0022 -0.1098)
OKLCH	oklch(20.92% 0.11 271.1)
XYZ	xyz(1.4470, 0.7848, 6.3772)
Luminance	0.0078 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0A0B49 #49480A

analogous

#0A2B49 #0A0B49 #290A49

triadic

#0A0B49 #490A0B #0B490A

tetradic

#0A0B49 #490A2B #49480A #0A4929

square

#0A0B49 #490A2B #49480A #0A4929

split-complementary

#0A0B49 #49290A #2B490A

monochromatic

#04041B #04041B #0A0B49 #11137F #191BB5

Accessibility & contrast

On white

18.15

#0A0B49 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.16

#0A0B49 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0A0B49

18.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0A0B49	#FFFFFF	#000000	##FFFFFF
##0A0B49	1.00	18.15	1.16	18.15
#FFFFFF	18.15	1.00	21.00	1.00
#000000	1.16	21.00	1.00	21.00
##FFFFFF	18.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00194B

Deuteranopia (green-blind)

#001248

Tritanopia (blue-blind)

#001E29

Achromatopsia (no color)

#161616

Design tokens & code

CSS

--color: #0a0b49;
/* rgb */ color: rgb(10, 11, 73);
/* oklch */ color: oklch(20.9% 0.110 271.1);

Tailwind

colors: {
  custom: {
    50: '#574b7d',
    500: '#0a0b49',
    950: '#000000',
  },
}

SCSS

$custom: #0a0b49;
$custom-light: #574b7d;
$custom-dark: #000000;

JSON

{
  "hex": "#0a0b49",
  "rgb": {
    "r": 10,
    "g": 11,
    "b": 73
  },
  "hsl": {
    "h": 239.048,
    "s": 75.904,
    "l": 16.275
  },
  "oklch": {
    "l": 0.20921,
    "c": 0.10983,
    "h": 271.1
  },
  "luminance": 0.00785
}

Semantic roles & 50–950 ramp

primary

#0A0B49

secondary

#868429

accent

#EF35F2

background

#F5F4F7

surface

#E9E7EE

border

#C5C3C9

text

#04010A

muted

#79777C

Preview Lab

Preview with #0A0B49

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

Preview Lab → · Contrast checker → · Palette generator →