#0D043F#0D043F

#0D043F is a very dark, moderate blue. Relative luminance 0.005; OKLCH L 18.6% C 0.103 H 277.4°. Best body text is #FFFFFF at 18.98:1 contrast (WCAG AA passes).

Color values

HEX	#0D043F
RGB	rgb(13, 4, 63)
HSL	hsl(249, 88%, 13%)
HSV	hsv(249, 94%, 25%)
CMYK	cmyk(79.4%, 93.7%, 0%, 75.3%)
CIE-LAB	lab(4.80, 23.67, -34.53)
CIE-LCH	lch(4.80, 41.86, 304.43°)
OKLab	oklab(18.63% 0.0133 -0.1025)
OKLCH	oklch(18.63% 0.103 277.4)
XYZ	xyz(1.1063, 0.5312, 4.7459)
Luminance	0.0053 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Night Blue

#040348

ΔE00 2.40

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0D043F #363F04

analogous

#04183F #0D043F #2A043F

triadic

#0D043F #3F0D04 #043F0D

tetradic

#0D043F #3F0418 #363F04 #043F2A

square

#0D043F #3F0418 #363F04 #043F2A

split-complementary

#0D043F #3F2A04 #183F04

monochromatic

#06021D #06021D #0D043F #190879 #250BB2

Accessibility & contrast

On white

18.98

#0D043F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.11

#0D043F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0D043F

18.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0D043F	#FFFFFF	#000000	##FFFFFF
##0D043F	1.00	18.98	1.11	18.98
#FFFFFF	18.98	1.00	21.00	1.00
#000000	1.11	21.00	1.00	21.00
##FFFFFF	18.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001341

Deuteranopia (green-blind)

#000E3E

Tritanopia (blue-blind)

#001622

Achromatopsia (no color)

#101010

Design tokens & code

CSS

--color: #0d043f;
/* rgb */ color: rgb(13, 4, 63);
/* oklch */ color: oklch(18.6% 0.103 277.4);

Tailwind

colors: {
  custom: {
    50: '#554775',
    500: '#0d043f',
    950: '#000000',
  },
}

SCSS

$custom: #0d043f;
$custom-light: #554775;
$custom-dark: #000000;

JSON

{
  "hex": "#0d043f",
  "rgb": {
    "r": 13,
    "g": 4,
    "b": 63
  },
  "hsl": {
    "h": 249.153,
    "s": 88.06,
    "l": 13.137
  },
  "oklch": {
    "l": 0.18631,
    "c": 0.10337,
    "h": 277.4
  },
  "luminance": 0.00531
}

Semantic roles & 50–950 ramp

primary

#0D043F

secondary

#71801E

accent

#FE2ADE

background

#F5F4F7

surface

#E9E6ED

border

#C5C2C8

text

#030008

muted

#78777B

Preview Lab

Preview with #0D043F

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

Preview Lab → · Contrast checker → · Palette generator →