#0D153F#0D153F

#0D153F is a very dark, moderate blue. Relative luminance 0.010; OKLCH L 21.9% C 0.081 H 270.2°. Best body text is #FFFFFF at 17.56:1 contrast (WCAG AA passes).

Color values

HEX	#0D153F
RGB	rgb(13, 21, 63)
HSL	hsl(230, 66%, 15%)
HSV	hsv(230, 79%, 25%)
CMYK	cmyk(79.4%, 66.7%, 0%, 75.3%)
CIE-LAB	lab(8.83, 13.50, -27.95)
CIE-LCH	lch(8.83, 31.03, 295.78°)
OKLab	oklab(21.93% 0.0002 -0.0805)
OKLCH	oklch(21.93% 0.081 270.2)
XYZ	xyz(1.3310, 0.9806, 4.8208)
Luminance	0.0098 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0D153F #3F370D

analogous

#0D2E3F #0D153F #1E0D3F

triadic

#0D153F #3F0D15 #153F0D

tetradic

#0D153F #3F0D2E #3F370D #0D3F1E

square

#0D153F #3F0D2E #3F370D #0D3F1E

split-complementary

#0D153F #3F1E0D #2E3F0D

monochromatic

#050819 #050819 #0D153F #172672 #2237A4

Accessibility & contrast

On white

17.56

#0D153F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.20

#0D153F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0D153F

17.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0D153F	#FFFFFF	#000000	##FFFFFF
##0D153F	1.00	17.56	1.20	17.56
#FFFFFF	17.56	1.00	21.00	1.00
#000000	1.20	21.00	1.00	21.00
##FFFFFF	17.56	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001C40

Deuteranopia (green-blind)

#00173E

Tritanopia (blue-blind)

#001F27

Achromatopsia (no color)

#191919

Design tokens & code

CSS

--color: #0d153f;
/* rgb */ color: rgb(13, 21, 63);
/* oklch */ color: oklch(21.9% 0.081 270.2);

Tailwind

colors: {
  custom: {
    50: '#545174',
    500: '#0d153f',
    950: '#000000',
  },
}

SCSS

$custom: #0d153f;
$custom-light: #545174;
$custom-dark: #000000;

JSON

{
  "hex": "#0d153f",
  "rgb": {
    "r": 13,
    "g": 21,
    "b": 63
  },
  "hsl": {
    "h": 230.4,
    "s": 65.789,
    "l": 14.902
  },
  "oklch": {
    "l": 0.21926,
    "c": 0.08055,
    "h": 270.2
  },
  "luminance": 0.00981
}

Semantic roles & 50–950 ramp

primary

#0D153F

secondary

#7B6E2D

accent

#CE3FE9

background

#F5F4F7

surface

#E9E7ED

border

#C5C3C8

text

#030208

muted

#78787B

Preview Lab

Preview with #0D153F

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

Preview Lab → · Contrast checker → · Palette generator →