#0B0430#0B0430

#0B0430 is a very dark, moderate blue. Relative luminance 0.004; OKLCH L 16.4% C 0.083 H 280.7°. Best body text is #FFFFFF at 19.55:1 contrast (WCAG AA passes).

Color values

HEX	#0B0430
RGB	rgb(11, 4, 48)
HSL	hsl(250, 85%, 10%)
HSV	hsv(250, 92%, 19%)
CMYK	cmyk(77.1%, 91.7%, 0%, 81.2%)
CIE-LAB	lab(3.35, 14.82, -25.87)
CIE-LCH	lch(3.35, 29.82, 299.81°)
OKLab	oklab(16.41% 0.0155 -0.0816)
OKLCH	oklch(16.41% 0.083 280.7)
XYZ	xyz(0.7148, 0.3713, 2.8297)
Luminance	0.0037 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0B0430 #293004

analogous

#041330 #0B0430 #210430

triadic

#0B0430 #300B04 #04300B

tetradic

#0B0430 #300413 #293004 #043021

square

#0B0430 #300413 #293004 #043021

split-complementary

#0B0430 #302104 #133004

monochromatic

#06021C #06021C #0B0430 #180968 #250DA1

Accessibility & contrast

On white

19.55

#0B0430 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.07

#0B0430 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0B0430

19.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0B0430	#FFFFFF	#000000	##FFFFFF
##0B0430	1.00	19.55	1.07	19.55
#FFFFFF	19.55	1.00	21.00	1.00
#000000	1.07	21.00	1.00	21.00
##FFFFFF	19.55	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#000E31

Deuteranopia (green-blind)

#000A2F

Tritanopia (blue-blind)

#001019

Achromatopsia (no color)

#0C0C0C

Design tokens & code

CSS

--color: #0b0430;
/* rgb */ color: rgb(11, 4, 48);
/* oklch */ color: oklch(16.4% 0.083 280.7);

Tailwind

colors: {
  custom: {
    50: '#4e4869',
    500: '#0b0430',
    950: '#000000',
  },
}

SCSS

$custom: #0b0430;
$custom-light: #4e4869;
$custom-dark: #000000;

JSON

{
  "hex": "#0b0430",
  "rgb": {
    "r": 11,
    "g": 4,
    "b": 48
  },
  "hsl": {
    "h": 249.545,
    "s": 84.615,
    "l": 10.196
  },
  "oklch": {
    "l": 0.16405,
    "c": 0.08304,
    "h": 280.7
  },
  "luminance": 0.00371
}

Semantic roles & 50–950 ramp

primary

#0B0430

secondary

#65721D

accent

#FB2DDA

background

#F4F4F6

surface

#E7E6EB

border

#C3C2C6

text

#020006

muted

#78777A

Preview Lab

Preview with #0B0430

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

Preview Lab → · Contrast checker → · Palette generator →