#0D1F4E#0D1F4E

#0D1F4E is a dark, moderate blue. Relative luminance 0.016; OKLCH L 25.7% C 0.090 H 264.9°. Best body text is #FFFFFF at 15.87:1 contrast (WCAG AA passes).

Color values

HEX	#0D1F4E
RGB	rgb(13, 31, 78)
HSL	hsl(223, 71%, 18%)
HSV	hsv(223, 83%, 31%)
CMYK	cmyk(83.3%, 60.3%, 0%, 69.4%)
CIE-LAB	lab(13.32, 12.34, -31.10)
CIE-LCH	lch(13.32, 33.46, 291.65°)
OKLab	oklab(25.72% -0.0081 -0.0897)
OKLCH	oklch(25.72% 0.09 264.9)
XYZ	xyz(2.0306, 1.6154, 7.4110)
Luminance	0.0162 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0D1F4E #4E3C0D

analogous

#0D3F4E #0D1F4E #1C0D4E

triadic

#0D1F4E #4E0D1F #1F4E0D

tetradic

#0D1F4E #4E0D3F #4E3C0D #0D4E1C

square

#0D1F4E #4E0D3F #4E3C0D #0D4E1C

split-complementary

#0D1F4E #4E1C0D #3F4E0D

monochromatic

#040A1A #040A1A #0D1F4E #163482 #1E49B7

Accessibility & contrast

On white

15.87

#0D1F4E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.32

#0D1F4E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0D1F4E

15.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0D1F4E	#FFFFFF	#000000	##FFFFFF
##0D1F4E	1.00	15.87	1.32	15.87
#FFFFFF	15.87	1.00	21.00	1.00
#000000	1.32	21.00	1.00	21.00
##FFFFFF	15.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002550

Deuteranopia (green-blind)

#001F4D

Tritanopia (blue-blind)

#002B33

Achromatopsia (no color)

#222222

Design tokens & code

CSS

--color: #0d1f4e;
/* rgb */ color: rgb(13, 31, 78);
/* oklch */ color: oklch(25.7% 0.090 264.9);

Tailwind

colors: {
  custom: {
    50: '#575a80',
    500: '#0d1f4e',
    950: '#000000',
  },
}

SCSS

$custom: #0d1f4e;
$custom-light: #575a80;
$custom-dark: #000000;

JSON

{
  "hex": "#0d1f4e",
  "rgb": {
    "r": 13,
    "g": 31,
    "b": 78
  },
  "hsl": {
    "h": 223.385,
    "s": 71.429,
    "l": 17.843
  },
  "oklch": {
    "l": 0.25724,
    "c": 0.09002,
    "h": 264.9
  },
  "luminance": 0.01616
}

Semantic roles & 50–950 ramp

primary

#0D1F4E

secondary

#89702E

accent

#BC3AEE

background

#F5F5F7

surface

#E9E9EE

border

#C5C5C9

text

#04030A

muted

#79787C

Preview Lab

Preview with #0D1F4E

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

Preview Lab → · Contrast checker → · Palette generator →