#0B0D35#0B0D35

#0B0D35 is a very dark, moderate blue. Relative luminance 0.006; OKLCH L 18.9% C 0.077 H 274.2°. Best body text is #FFFFFF at 18.70:1 contrast (WCAG AA passes).

Color values

HEX	#0B0D35
RGB	rgb(11, 13, 53)
HSL	hsl(237, 66%, 13%)
HSV	hsv(237, 79%, 21%)
CMYK	cmyk(79.2%, 75.5%, 0%, 79.2%)
CIE-LAB	lab(5.56, 13.77, -26.03)
CIE-LCH	lch(5.56, 29.45, 297.89°)
OKLab	oklab(18.94% 0.0056 -0.0766)
OKLCH	oklch(18.94% 0.077 274.2)
XYZ	xyz(0.9243, 0.6160, 3.4376)
Luminance	0.0062 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0B0D35 #35330B

analogous

#0B2235 #0B0D35 #1E0B35

triadic

#0B0D35 #350B0D #0D350B

tetradic

#0B0D35 #350B22 #35330B #0B351E

square

#0B0D35 #350B22 #35330B #0B351E

split-complementary

#0B0D35 #351E0B #22350B

monochromatic

#050619 #050619 #0B0D35 #161968 #20269A

Accessibility & contrast

On white

18.70

#0B0D35 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.12

#0B0D35 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0B0D35

18.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0B0D35	#FFFFFF	#000000	##FFFFFF
##0B0D35	1.00	18.70	1.12	18.70
#FFFFFF	18.70	1.00	21.00	1.00
#000000	1.12	21.00	1.00	21.00
##FFFFFF	18.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001436

Deuteranopia (green-blind)

#001034

Tritanopia (blue-blind)

#00171F

Achromatopsia (no color)

#121212

Design tokens & code

CSS

--color: #0b0d35;
/* rgb */ color: rgb(11, 13, 53);
/* oklch */ color: oklch(18.9% 0.077 274.2);

Tailwind

colors: {
  custom: {
    50: '#504c6d',
    500: '#0b0d35',
    950: '#000000',
  },
}

SCSS

$custom: #0b0d35;
$custom-light: #504c6d;
$custom-dark: #000000;

JSON

{
  "hex": "#0b0d35",
  "rgb": {
    "r": 11,
    "g": 13,
    "b": 53
  },
  "hsl": {
    "h": 237.143,
    "s": 65.625,
    "l": 12.549
  },
  "oklch": {
    "l": 0.18944,
    "c": 0.07681,
    "h": 274.2
  },
  "luminance": 0.00616
}

Semantic roles & 50–950 ramp

primary

#0B0D35

secondary

#726E2A

accent

#E13FE9

background

#F4F4F6

surface

#E7E7EB

border

#C3C3C6

text

#020107

muted

#78777A

Preview Lab

Preview with #0B0D35

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

Preview Lab → · Contrast checker → · Palette generator →