#0D0539#0D0539

#0D0539 is a very dark, moderate blue. Relative luminance 0.005; OKLCH L 18.0% C 0.094 H 279.1°. Best body text is #FFFFFF at 19.13:1 contrast (WCAG AA passes).

Color values

HEX	#0D0539
RGB	rgb(13, 5, 57)
HSL	hsl(249, 84%, 12%)
HSV	hsv(249, 91%, 22%)
CMYK	cmyk(77.2%, 91.2%, 0%, 77.6%)
CIE-LAB	lab(4.42, 20.00, -30.80)
CIE-LCH	lch(4.42, 36.72, 303.00°)
OKLab	oklab(18.02% 0.0148 -0.0925)
OKLCH	oklch(18.02% 0.094 279.1)
XYZ	xyz(0.9585, 0.4894, 3.9141)
Luminance	0.0049 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0D0539 #313905

analogous

#051739 #0D0539 #270539

triadic

#0D0539 #390D05 #05390D

tetradic

#0D0539 #390517 #313905 #053927

square

#0D0539 #390517 #313905 #053927

split-complementary

#0D0539 #392705 #173905

monochromatic

#06021C #06021C #0D0539 #1A0A71 #270FAA

Accessibility & contrast

On white

19.13

#0D0539 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.10

#0D0539 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0D0539

19.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0D0539	#FFFFFF	#000000	##FFFFFF
##0D0539	1.00	19.13	1.10	19.13
#FFFFFF	19.13	1.00	21.00	1.00
#000000	1.10	21.00	1.00	21.00
##FFFFFF	19.13	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00113A

Deuteranopia (green-blind)

#000D38

Tritanopia (blue-blind)

#00141F

Achromatopsia (no color)

#0F0F0F

Design tokens & code

CSS

--color: #0d0539;
/* rgb */ color: rgb(13, 5, 57);
/* oklch */ color: oklch(18.0% 0.094 279.1);

Tailwind

colors: {
  custom: {
    50: '#524870',
    500: '#0d0539',
    950: '#000000',
  },
}

SCSS

$custom: #0d0539;
$custom-light: #524870;
$custom-dark: #000000;

JSON

{
  "hex": "#0d0539",
  "rgb": {
    "r": 13,
    "g": 5,
    "b": 57
  },
  "hsl": {
    "h": 249.231,
    "s": 83.871,
    "l": 12.157
  },
  "oklch": {
    "l": 0.18015,
    "c": 0.09373,
    "h": 279.1
  },
  "luminance": 0.0049
}

Semantic roles & 50–950 ramp

primary

#0D0539

secondary

#6C7A20

accent

#FA2EDB

background

#F4F4F6

surface

#E8E6EC

border

#C4C2C7

text

#030007

muted

#78777A

Preview Lab

Preview with #0D0539

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

Preview Lab → · Contrast checker → · Palette generator →