#0B0738#0B0738

#0B0738 is a very dark, moderate blue. Relative luminance 0.005; OKLCH L 18.1% C 0.090 H 276.4°. Best body text is #FFFFFF at 19.06:1 contrast (WCAG AA passes).

Color values

HEX	#0B0738
RGB	rgb(11, 7, 56)
HSL	hsl(245, 78%, 12%)
HSV	hsv(245, 88%, 22%)
CMYK	cmyk(80.4%, 87.5%, 0%, 78%)
CIE-LAB	lab(4.59, 18.09, -29.80)
CIE-LCH	lch(4.59, 34.86, 301.26°)
OKLab	oklab(18.1% 0.0101 -0.0893)
OKLCH	oklch(18.1% 0.09 276.4)
XYZ	xyz(0.9276, 0.5085, 3.7899)
Luminance	0.0051 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0B0738 #343807

analogous

#071C38 #0B0738 #240738

triadic

#0B0738 #380B07 #07380B

tetradic

#0B0738 #38071C #343807 #073824

square

#0B0738 #38071C #343807 #073824

split-complementary

#0B0738 #382407 #1C3807

monochromatic

#05031B #05031B #0B0738 #160E6E #2015A5

Accessibility & contrast

On white

19.06

#0B0738 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.10

#0B0738 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0B0738

19.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0B0738	#FFFFFF	#000000	##FFFFFF
##0B0738	1.00	19.06	1.10	19.06
#FFFFFF	19.06	1.00	21.00	1.00
#000000	1.10	21.00	1.00	21.00
##FFFFFF	19.06	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001239

Deuteranopia (green-blind)

#000E37

Tritanopia (blue-blind)

#00151F

Achromatopsia (no color)

#101010

Design tokens & code

CSS

--color: #0b0738;
/* rgb */ color: rgb(11, 7, 56);
/* oklch */ color: oklch(18.1% 0.090 276.4);

Tailwind

colors: {
  custom: {
    50: '#51496f',
    500: '#0b0738',
    950: '#000000',
  },
}

SCSS

$custom: #0b0738;
$custom-light: #51496f;
$custom-dark: #000000;

JSON

{
  "hex": "#0b0738",
  "rgb": {
    "r": 11,
    "g": 7,
    "b": 56
  },
  "hsl": {
    "h": 244.898,
    "s": 77.778,
    "l": 12.353
  },
  "oklch": {
    "l": 0.18104,
    "c": 0.08989,
    "h": 276.4
  },
  "luminance": 0.00509
}

Semantic roles & 50–950 ramp

primary

#0B0738

secondary

#717823

accent

#F434E5

background

#F4F4F6

surface

#E7E6EC

border

#C3C2C7

text

#020007

muted

#78777A

Preview Lab

Preview with #0B0738

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

Preview Lab → · Contrast checker → · Palette generator →