#0B0338#0B0338

#0B0338 is a very dark, moderate blue. Relative luminance 0.004; OKLCH L 17.3% C 0.096 H 278.0°. Best body text is #FFFFFF at 19.37:1 contrast (WCAG AA passes).

Color values

HEX	#0B0338
RGB	rgb(11, 3, 56)
HSL	hsl(249, 90%, 12%)
HSV	hsv(249, 95%, 22%)
CMYK	cmyk(80.4%, 94.6%, 0%, 78%)
CIE-LAB	lab(3.81, 19.77, -31.06)
CIE-LCH	lch(3.81, 36.82, 302.48°)
OKLab	oklab(17.27% 0.0133 -0.095)
OKLCH	oklch(17.27% 0.096 278)
XYZ	xyz(0.8842, 0.4217, 3.7754)
Luminance	0.0042 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0B0338 #303803

analogous

#031638 #0B0338 #260338

triadic

#0B0338 #380B03 #03380B

tetradic

#0B0338 #380316 #303803 #033826

square

#0B0338 #380316 #303803 #033826

split-complementary

#0B0338 #382603 #163803

monochromatic

#06021D #06021D #0B0338 #160672 #2209AC

Accessibility & contrast

On white

19.37

#0B0338 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.08

#0B0338 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0B0338

19.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0B0338	#FFFFFF	#000000	##FFFFFF
##0B0338	1.00	19.37	1.08	19.37
#FFFFFF	19.37	1.00	21.00	1.00
#000000	1.08	21.00	1.00	21.00
##FFFFFF	19.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001039

Deuteranopia (green-blind)

#000B37

Tritanopia (blue-blind)

#00131E

Achromatopsia (no color)

#0E0E0E

Design tokens & code

CSS

--color: #0b0338;
/* rgb */ color: rgb(11, 3, 56);
/* oklch */ color: oklch(17.3% 0.096 278.0);

Tailwind

colors: {
  custom: {
    50: '#51476f',
    500: '#0b0338',
    950: '#000000',
  },
}

SCSS

$custom: #0b0338;
$custom-light: #51476f;
$custom-dark: #000000;

JSON

{
  "hex": "#0b0338",
  "rgb": {
    "r": 11,
    "g": 3,
    "b": 56
  },
  "hsl": {
    "h": 249.057,
    "s": 89.831,
    "l": 11.569
  },
  "oklch": {
    "l": 0.17267,
    "c": 0.09596,
    "h": 278
  },
  "luminance": 0.00422
}

Semantic roles & 50–950 ramp

primary

#0B0338

secondary

#6D7B1C

accent

#FF29DF

background

#F4F3F6

surface

#E7E5EC

border

#C3C1C7

text

#020007

muted

#78777A

Preview Lab

Preview with #0B0338

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

Preview Lab → · Contrast checker → · Palette generator →