#0B0739#0B0739

#0B0739 is a very dark, moderate blue. Relative luminance 0.005; OKLCH L 18.2% C 0.091 H 276.1°. Best body text is #FFFFFF at 19.03:1 contrast (WCAG AA passes).

Color values

HEX	#0B0739
RGB	rgb(11, 7, 57)
HSL	hsl(245, 78%, 13%)
HSV	hsv(245, 88%, 22%)
CMYK	cmyk(80.7%, 87.7%, 0%, 77.6%)
CIE-LAB	lab(4.68, 18.64, -30.38)
CIE-LCH	lch(4.68, 35.64, 301.53°)
OKLab	oklab(18.23% 0.0098 -0.0908)
OKLCH	oklch(18.23% 0.091 276.1)
XYZ	xyz(0.9523, 0.5184, 3.9200)
Luminance	0.0052 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0B0739 #353907

analogous

#071C39 #0B0739 #240739

triadic

#0B0739 #390B07 #07390B

tetradic

#0B0739 #39071C #353907 #073924

square

#0B0739 #39071C #353907 #073924

split-complementary

#0B0739 #392407 #1C3907

monochromatic

#05031B #05031B #0B0739 #160E70 #2014A6

Accessibility & contrast

On white

19.03

#0B0739 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.10

#0B0739 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0B0739

19.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0B0739	#FFFFFF	#000000	##FFFFFF
##0B0739	1.00	19.03	1.10	19.03
#FFFFFF	19.03	1.00	21.00	1.00
#000000	1.10	21.00	1.00	21.00
##FFFFFF	19.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00123A

Deuteranopia (green-blind)

#000E38

Tritanopia (blue-blind)

#00151F

Achromatopsia (no color)

#101010

Design tokens & code

CSS

--color: #0b0739;
/* rgb */ color: rgb(11, 7, 57);
/* oklch */ color: oklch(18.2% 0.091 276.1);

Tailwind

colors: {
  custom: {
    50: '#514970',
    500: '#0b0739',
    950: '#000000',
  },
}

SCSS

$custom: #0b0739;
$custom-light: #514970;
$custom-dark: #000000;

JSON

{
  "hex": "#0b0739",
  "rgb": {
    "r": 11,
    "g": 7,
    "b": 57
  },
  "hsl": {
    "h": 244.8,
    "s": 78.125,
    "l": 12.549
  },
  "oklch": {
    "l": 0.18233,
    "c": 0.09136,
    "h": 276.1
  },
  "luminance": 0.00519
}

Semantic roles & 50–950 ramp

primary

#0B0739

secondary

#727923

accent

#F533E5

background

#F4F4F6

surface

#E7E6EC

border

#C3C2C7

text

#020007

muted

#78777A

Preview Lab

Preview with #0B0739

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

Preview Lab → · Contrast checker → · Palette generator →