#0B0A4A#0B0A4A

#0B0A4A is a very dark, moderate blue. Relative luminance 0.008; OKLCH L 21.0% C 0.112 H 271.9°. Best body text is #FFFFFF at 18.16:1 contrast (WCAG AA passes).

Color values

HEX	#0B0A4A
RGB	rgb(11, 10, 74)
HSL	hsl(241, 76%, 16%)
HSV	hsv(241, 86%, 29%)
CMYK	cmyk(85.1%, 86.5%, 0%, 71%)
CIE-LAB	lab(7.07, 25.49, -38.59)
CIE-LCH	lch(7.07, 46.25, 303.44°)
OKLab	oklab(20.96% 0.0037 -0.1119)
OKLCH	oklch(20.96% 0.112 271.9)
XYZ	xyz(1.4822, 0.7825, 6.5502)
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

#0B0A4A #494A0A

analogous

#0A294A #0B0A4A #2B0A4A

triadic

#0B0A4A #4A0B0A #0A4A0B

tetradic

#0B0A4A #4A0A29 #494A0A #0A4A2B

square

#0B0A4A #4A0A29 #494A0A #0A4A2B

split-complementary

#0B0A4A #4A2B0A #294A0A

monochromatic

#04041B #04041B #0B0A4A #131180 #1B19B6

Accessibility & contrast

On white

18.16

#0B0A4A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.16

#0B0A4A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0B0A4A

18.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0B0A4A	#FFFFFF	#000000	##FFFFFF
##0B0A4A	1.00	18.16	1.16	18.16
#FFFFFF	18.16	1.00	21.00	1.00
#000000	1.16	21.00	1.00	21.00
##FFFFFF	18.16	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00194C

Deuteranopia (green-blind)

#001249

Tritanopia (blue-blind)

#001E2A

Achromatopsia (no color)

#161616

Design tokens & code

CSS

--color: #0b0a4a;
/* rgb */ color: rgb(11, 10, 74);
/* oklch */ color: oklch(21.0% 0.112 271.9);

Tailwind

colors: {
  custom: {
    50: '#584a7d',
    500: '#0b0a4a',
    950: '#000000',
  },
}

SCSS

$custom: #0b0a4a;
$custom-light: #584a7d;
$custom-dark: #000000;

JSON

{
  "hex": "#0b0a4a",
  "rgb": {
    "r": 11,
    "g": 10,
    "b": 74
  },
  "hsl": {
    "h": 240.938,
    "s": 76.19,
    "l": 16.471
  },
  "oklch": {
    "l": 0.20961,
    "c": 0.11197,
    "h": 271.9
  },
  "luminance": 0.00783
}

Semantic roles & 50–950 ramp

primary

#0B0A4A

secondary

#858729

accent

#F335F0

background

#F5F4F7

surface

#E9E7EE

border

#C5C3C9

text

#04010A

muted

#79777C

Preview Lab

Preview with #0B0A4A

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

Preview Lab → · Contrast checker → · Palette generator →