#0D153B#0D153B

#0D153B is a very dark, moderate blue. Relative luminance 0.009; OKLCH L 21.5% C 0.074 H 270.1°. Best body text is #FFFFFF at 17.68:1 contrast (WCAG AA passes).

Color values

HEX	#0D153B
RGB	rgb(13, 21, 59)
HSL	hsl(230, 64%, 14%)
HSV	hsv(230, 78%, 23%)
CMYK	cmyk(78%, 64.4%, 0%, 76.9%)
CIE-LAB	lab(8.46, 11.75, -25.69)
CIE-LCH	lch(8.46, 28.25, 294.57°)
OKLab	oklab(21.53% 0.0001 -0.0739)
OKLCH	oklch(21.53% 0.074 270.1)
XYZ	xyz(1.2233, 0.9375, 4.2533)
Luminance	0.0094 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0D153B #3B330D

analogous

#0D2C3B #0D153B #1C0D3B

triadic

#0D153B #3B0D15 #153B0D

tetradic

#0D153B #3B0D2C #3B330D #0D3B1C

square

#0D153B #3B0D2C #3B330D #0D3B1C

split-complementary

#0D153B #3B1C0D #2C3B0D

monochromatic

#060919 #060919 #0D153B #18276D #23399F

Accessibility & contrast

On white

17.68

#0D153B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.19

#0D153B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0D153B

17.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0D153B	#FFFFFF	#000000	##FFFFFF
##0D153B	1.00	17.68	1.19	17.68
#FFFFFF	17.68	1.00	21.00	1.00
#000000	1.19	21.00	1.00	21.00
##FFFFFF	17.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001B3C

Deuteranopia (green-blind)

#00163A

Tritanopia (blue-blind)

#001E25

Achromatopsia (no color)

#181818

Design tokens & code

CSS

--color: #0d153b;
/* rgb */ color: rgb(13, 21, 59);
/* oklch */ color: oklch(21.5% 0.074 270.1);

Tailwind

colors: {
  custom: {
    50: '#535171',
    500: '#0d153b',
    950: '#000000',
  },
}

SCSS

$custom: #0d153b;
$custom-light: #535171;
$custom-dark: #000000;

JSON

{
  "hex": "#0d153b",
  "rgb": {
    "r": 13,
    "g": 21,
    "b": 59
  },
  "hsl": {
    "h": 229.565,
    "s": 63.889,
    "l": 14.118
  },
  "oklch": {
    "l": 0.21534,
    "c": 0.07392,
    "h": 270.1
  },
  "luminance": 0.00938
}

Semantic roles & 50–950 ramp

primary

#0D153B

secondary

#776A2D

accent

#CA41E7

background

#F4F4F6

surface

#E7E7EC

border

#C3C3C7

text

#030208

muted

#78787B

Preview Lab

Preview with #0D153B

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

Preview Lab → · Contrast checker → · Palette generator →