#15318D#15318D

#15318D is a dark, vivid blue. Relative luminance 0.043; OKLCH L 36.0% C 0.156 H 265.6°. Best body text is #FFFFFF at 11.32:1 contrast (WCAG AA passes).

Color values

HEX	#15318D
RGB	rgb(21, 49, 141)
HSL	hsl(226, 74%, 32%)
HSV	hsv(226, 85%, 55%)
CMYK	cmyk(85.1%, 65.2%, 0%, 44.7%)
CIE-LAB	lab(24.57, 26.55, -53.64)
CIE-LCH	lch(24.57, 59.85, 296.33°)
OKLab	oklab(35.99% -0.012 -0.1553)
OKLCH	oklch(35.99% 0.156 265.6)
XYZ	xyz(6.2136, 4.2784, 25.6925)
Luminance	0.0428 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#15318D #8D7115

analogous

#156D8D #15318D #35158D

triadic

#15318D #8D1531 #318D15

tetradic

#15318D #8D156D #8D7115 #158D35

square

#15318D #8D156D #8D7115 #158D35

split-complementary

#15318D #8D3515 #6D8D15

monochromatic

#050C22 #0D1E58 #15318D #1D44C2 #3B62E2

Accessibility & contrast

On white

11.32

#15318D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.86

#15318D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #15318D

11.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##15318D	#FFFFFF	#000000	##FFFFFF
##15318D	1.00	11.32	1.86	11.32
#FFFFFF	11.32	1.00	21.00	1.00
#000000	1.86	21.00	1.00	21.00
##FFFFFF	11.32	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004090

Deuteranopia (green-blind)

#00358B

Tritanopia (blue-blind)

#00495A

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #15318d;
/* rgb */ color: rgb(21, 49, 141);
/* oklch */ color: oklch(36.0% 0.156 265.6);

Tailwind

colors: {
  custom: {
    50: '#6a68af',
    500: '#15318d',
    950: '#000000',
  },
}

SCSS

$custom: #15318d;
$custom-light: #6a68af;
$custom-dark: #000000;

JSON

{
  "hex": "#15318d",
  "rgb": {
    "r": 21,
    "g": 49,
    "b": 141
  },
  "hsl": {
    "h": 226,
    "s": 74.074,
    "l": 31.765
  },
  "oklch": {
    "l": 0.3599,
    "c": 0.15579,
    "h": 265.6
  },
  "luminance": 0.04279
}

Semantic roles & 50–950 ramp

primary

#15318D

secondary

#C1A23D

accent

#C537F1

background

#F7F6FA

surface

#EDEBF5

border

#C8C6CF

text

#080610

muted

#7B7A7F

Preview Lab

Preview with #15318D

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

Preview Lab → · Contrast checker → · Palette generator →