#0B0639#0B0639

#0B0639 is a very dark, moderate blue. Relative luminance 0.005; OKLCH L 18.0% C 0.093 H 276.5°. Best body text is #FFFFFF at 19.10:1 contrast (WCAG AA passes).

Color values

HEX	#0B0639
RGB	rgb(11, 6, 57)
HSL	hsl(246, 81%, 12%)
HSV	hsv(246, 89%, 22%)
CMYK	cmyk(80.7%, 89.5%, 0%, 77.6%)
CIE-LAB	lab(4.49, 19.07, -30.70)
CIE-LCH	lch(4.49, 36.14, 301.85°)
OKLab	oklab(18.03% 0.0105 -0.0922)
OKLCH	oklch(18.03% 0.093 276.5)
XYZ	xyz(0.9414, 0.4967, 3.9164)
Luminance	0.0050 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0B0639 #343906

analogous

#061B39 #0B0639 #240639

triadic

#0B0639 #390B06 #06390B

tetradic

#0B0639 #39061B #343906 #063924

square

#0B0639 #39061B #343906 #063924

split-complementary

#0B0639 #392406 #1B3906

monochromatic

#05031C #05031C #0B0639 #160C70 #2012A8

Accessibility & contrast

On white

19.10

#0B0639 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.10

#0B0639 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0B0639

19.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0B0639	#FFFFFF	#000000	##FFFFFF
##0B0639	1.00	19.10	1.10	19.10
#FFFFFF	19.10	1.00	21.00	1.00
#000000	1.10	21.00	1.00	21.00
##FFFFFF	19.10	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00123A

Deuteranopia (green-blind)

#000D38

Tritanopia (blue-blind)

#00151F

Achromatopsia (no color)

#0F0F0F

Design tokens & code

CSS

--color: #0b0639;
/* rgb */ color: rgb(11, 6, 57);
/* oklch */ color: oklch(18.0% 0.093 276.5);

Tailwind

colors: {
  custom: {
    50: '#514870',
    500: '#0b0639',
    950: '#000000',
  },
}

SCSS

$custom: #0b0639;
$custom-light: #514870;
$custom-dark: #000000;

JSON

{
  "hex": "#0b0639",
  "rgb": {
    "r": 11,
    "g": 6,
    "b": 57
  },
  "hsl": {
    "h": 245.882,
    "s": 80.952,
    "l": 12.353
  },
  "oklch": {
    "l": 0.18034,
    "c": 0.09279,
    "h": 276.5
  },
  "luminance": 0.00497
}

Semantic roles & 50–950 ramp

primary

#0B0639

secondary

#717922

accent

#F730E4

background

#F4F4F6

surface

#E7E6EC

border

#C3C2C7

text

#020007

muted

#78777A

Preview Lab

Preview with #0B0639

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

Preview Lab → · Contrast checker → · Palette generator →