#0B0D43#0B0D43

#0B0D43 is a very dark, moderate blue. Relative luminance 0.008; OKLCH L 20.6% C 0.099 H 272.1°. Best body text is #FFFFFF at 18.22:1 contrast (WCAG AA passes).

Color values

HEX	#0B0D43
RGB	rgb(11, 13, 67)
HSL	hsl(238, 72%, 15%)
HSV	hsv(238, 84%, 26%)
CMYK	cmyk(83.6%, 80.6%, 0%, 73.7%)
CIE-LAB	lab(6.90, 20.70, -33.94)
CIE-LCH	lch(6.90, 39.75, 301.37°)
OKLab	oklab(20.57% 0.0037 -0.0985)
OKLCH	oklch(20.57% 0.099 272.1)
XYZ	xyz(1.2947, 0.7641, 5.3884)
Luminance	0.0076 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0B0D43 #43410B

analogous

#0B2943 #0B0D43 #250B43

triadic

#0B0D43 #430B0D #0D430B

tetradic

#0B0D43 #430B29 #43410B #0B4325

square

#0B0D43 #430B29 #43410B #0B4325

split-complementary

#0B0D43 #43250B #29430B

monochromatic

#04051A #04051A #0B0D43 #141778 #1C21AC

Accessibility & contrast

On white

18.22

#0B0D43 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.15

#0B0D43 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0B0D43

18.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0B0D43	#FFFFFF	#000000	##FFFFFF
##0B0D43	1.00	18.22	1.15	18.22
#FFFFFF	18.22	1.00	21.00	1.00
#000000	1.15	21.00	1.00	21.00
##FFFFFF	18.22	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001845

Deuteranopia (green-blind)

#001342

Tritanopia (blue-blind)

#001C27

Achromatopsia (no color)

#151515

Design tokens & code

CSS

--color: #0b0d43;
/* rgb */ color: rgb(11, 13, 67);
/* oklch */ color: oklch(20.6% 0.099 272.1);

Tailwind

colors: {
  custom: {
    50: '#554c78',
    500: '#0b0d43',
    950: '#000000',
  },
}

SCSS

$custom: #0b0d43;
$custom-light: #554c78;
$custom-dark: #000000;

JSON

{
  "hex": "#0b0d43",
  "rgb": {
    "r": 11,
    "g": 13,
    "b": 67
  },
  "hsl": {
    "h": 237.857,
    "s": 71.795,
    "l": 15.294
  },
  "oklch": {
    "l": 0.20572,
    "c": 0.09856,
    "h": 272.1
  },
  "luminance": 0.00764
}

Semantic roles & 50–950 ramp

primary

#0B0D43

secondary

#807D2A

accent

#E839EF

background

#F5F4F7

surface

#E9E7ED

border

#C5C3C8

text

#030109

muted

#78777B

Preview Lab

Preview with #0B0D43

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

Preview Lab → · Contrast checker → · Palette generator →