#0B0530#0B0530

#0B0530 is a very dark, moderate blue. Relative luminance 0.004; OKLCH L 16.6% C 0.081 H 280.2°. Best body text is #FFFFFF at 19.47:1 contrast (WCAG AA passes).

Color values

HEX	#0B0530
RGB	rgb(11, 5, 48)
HSL	hsl(248, 81%, 10%)
HSV	hsv(248, 90%, 19%)
CMYK	cmyk(77.1%, 89.6%, 0%, 81.2%)
CIE-LAB	lab(3.55, 14.42, -25.56)
CIE-LCH	lch(3.55, 29.35, 299.43°)
OKLab	oklab(16.65% 0.0143 -0.08)
OKLCH	oklch(16.65% 0.081 280.2)
XYZ	xyz(0.7256, 0.3930, 2.8334)
Luminance	0.0039 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0B0530 #2A3005

analogous

#051430 #0B0530 #200530

triadic

#0B0530 #300B05 #05300B

tetradic

#0B0530 #300514 #2A3005 #053020

square

#0B0530 #300514 #2A3005 #053020

split-complementary

#0B0530 #302005 #143005

monochromatic

#06031C #06031C #0B0530 #180B67 #24119F

Accessibility & contrast

On white

19.47

#0B0530 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.08

#0B0530 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0B0530

19.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0B0530	#FFFFFF	#000000	##FFFFFF
##0B0530	1.00	19.47	1.08	19.47
#FFFFFF	19.47	1.00	21.00	1.00
#000000	1.08	21.00	1.00	21.00
##FFFFFF	19.47	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#000E31

Deuteranopia (green-blind)

#000B2F

Tritanopia (blue-blind)

#00111A

Achromatopsia (no color)

#0D0D0D

Design tokens & code

CSS

--color: #0b0530;
/* rgb */ color: rgb(11, 5, 48);
/* oklch */ color: oklch(16.6% 0.081 280.2);

Tailwind

colors: {
  custom: {
    50: '#4e4869',
    500: '#0b0530',
    950: '#000000',
  },
}

SCSS

$custom: #0b0530;
$custom-light: #4e4869;
$custom-dark: #000000;

JSON

{
  "hex": "#0b0530",
  "rgb": {
    "r": 11,
    "g": 5,
    "b": 48
  },
  "hsl": {
    "h": 248.372,
    "s": 81.132,
    "l": 10.392
  },
  "oklch": {
    "l": 0.16645,
    "c": 0.08123,
    "h": 280.2
  },
  "luminance": 0.00393
}

Semantic roles & 50–950 ramp

primary

#0B0530

secondary

#66721F

accent

#F830DC

background

#F4F4F6

surface

#E7E6EB

border

#C3C2C6

text

#020006

muted

#78777A

Preview Lab

Preview with #0B0530

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

Preview Lab → · Contrast checker → · Palette generator →