#0B0641#0B0641

#0B0641 is a very dark, moderate blue. Relative luminance 0.006; OKLCH L 19.1% C 0.104 H 274.4°. Best body text is #FFFFFF at 18.81:1 contrast (WCAG AA passes).

Color values

HEX	#0B0641
RGB	rgb(11, 6, 65)
HSL	hsl(245, 83%, 14%)
HSV	hsv(245, 91%, 25%)
CMYK	cmyk(83.1%, 90.8%, 0%, 74.5%)
CIE-LAB	lab(5.27, 23.36, -35.20)
CIE-LCH	lch(5.27, 42.25, 303.57°)
OKLab	oklab(19.11% 0.008 -0.1037)
OKLCH	oklch(19.11% 0.104 274.4)
XYZ	xyz(1.1570, 0.5829, 5.0515)
Luminance	0.0058 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Night Blue

#040348

ΔE00 2.13

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0B0641 #3C4106

analogous

#061F41 #0B0641 #290641

triadic

#0B0641 #410B06 #06410B

tetradic

#0B0641 #41061F #3C4106 #064129

square

#0B0641 #41061F #3C4106 #064129

split-complementary

#0B0641 #412906 #1F4106

monochromatic

#05031C #05031C #0B0641 #140B79 #1E10B1

Accessibility & contrast

On white

18.81

#0B0641 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.12

#0B0641 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0B0641

18.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0B0641	#FFFFFF	#000000	##FFFFFF
##0B0641	1.00	18.81	1.12	18.81
#FFFFFF	18.81	1.00	21.00	1.00
#000000	1.12	21.00	1.00	21.00
##FFFFFF	18.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001443

Deuteranopia (green-blind)

#000F40

Tritanopia (blue-blind)

#001824

Achromatopsia (no color)

#121212

Design tokens & code

CSS

--color: #0b0641;
/* rgb */ color: rgb(11, 6, 65);
/* oklch */ color: oklch(19.1% 0.104 274.4);

Tailwind

colors: {
  custom: {
    50: '#554876',
    500: '#0b0641',
    950: '#000000',
  },
}

SCSS

$custom: #0b0641;
$custom-light: #554876;
$custom-dark: #000000;

JSON

{
  "hex": "#0b0641",
  "rgb": {
    "r": 11,
    "g": 6,
    "b": 65
  },
  "hsl": {
    "h": 245.085,
    "s": 83.099,
    "l": 13.922
  },
  "oklch": {
    "l": 0.19106,
    "c": 0.10404,
    "h": 274.4
  },
  "luminance": 0.00583
}

Semantic roles & 50–950 ramp

primary

#0B0641

secondary

#798122

accent

#F92EE8

background

#F5F4F7

surface

#E9E6ED

border

#C5C2C8

text

#030008

muted

#78777B

Preview Lab

Preview with #0B0641

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

Preview Lab → · Contrast checker → · Palette generator →