#0B0640#0B0640

#0B0640 is a very dark, moderate blue. Relative luminance 0.006; OKLCH L 19.0% C 0.103 H 274.7°. Best body text is #FFFFFF at 18.84:1 contrast (WCAG AA passes).

Color values

HEX	#0B0640
RGB	rgb(11, 6, 64)
HSL	hsl(245, 83%, 14%)
HSV	hsv(245, 91%, 25%)
CMYK	cmyk(82.8%, 90.6%, 0%, 74.9%)
CIE-LAB	lab(5.16, 22.84, -34.66)
CIE-LCH	lch(5.16, 41.51, 303.39°)
OKLab	oklab(18.97% 0.0084 -0.1023)
OKLCH	oklch(18.97% 0.103 274.7)
XYZ	xyz(1.1282, 0.5714, 4.9003)
Luminance	0.0057 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Night Blue

#040348

ΔE00 2.37

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0B0640 #3B4006

analogous

#061E40 #0B0640 #280640

triadic

#0B0640 #400B06 #06400B

tetradic

#0B0640 #40061E #3B4006 #064028

square

#0B0640 #40061E #3B4006 #064028

split-complementary

#0B0640 #402806 #1E4006

monochromatic

#05031C #05031C #0B0640 #150B78 #1E10B0

Accessibility & contrast

On white

18.84

#0B0640 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.11

#0B0640 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0B0640

18.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0B0640	#FFFFFF	#000000	##FFFFFF
##0B0640	1.00	18.84	1.11	18.84
#FFFFFF	18.84	1.00	21.00	1.00
#000000	1.11	21.00	1.00	21.00
##FFFFFF	18.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001442

Deuteranopia (green-blind)

#000F3F

Tritanopia (blue-blind)

#001823

Achromatopsia (no color)

#111111

Design tokens & code

CSS

--color: #0b0640;
/* rgb */ color: rgb(11, 6, 64);
/* oklch */ color: oklch(19.0% 0.103 274.7);

Tailwind

colors: {
  custom: {
    50: '#544876',
    500: '#0b0640',
    950: '#000000',
  },
}

SCSS

$custom: #0b0640;
$custom-light: #544876;
$custom-dark: #000000;

JSON

{
  "hex": "#0b0640",
  "rgb": {
    "r": 11,
    "g": 6,
    "b": 64
  },
  "hsl": {
    "h": 245.172,
    "s": 82.857,
    "l": 13.725
  },
  "oklch": {
    "l": 0.1897,
    "c": 0.10266,
    "h": 274.7
  },
  "luminance": 0.00572
}

Semantic roles & 50–950 ramp

primary

#0B0640

secondary

#788022

accent

#F92FE8

background

#F5F4F7

surface

#E9E6ED

border

#C5C2C8

text

#030008

muted

#78777B

Preview Lab

Preview with #0B0640

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

Preview Lab → · Contrast checker → · Palette generator →