#15318A#15318A

#15318A is a dark, vivid blue. Relative luminance 0.042; OKLCH L 35.7% C 0.152 H 265.5°. Best body text is #FFFFFF at 11.42:1 contrast (WCAG AA passes).

Color values

HEX	#15318A
RGB	rgb(21, 49, 138)
HSL	hsl(226, 74%, 31%)
HSV	hsv(226, 85%, 54%)
CMYK	cmyk(84.8%, 64.5%, 0%, 45.9%)
CIE-LAB	lab(24.29, 25.35, -52.23)
CIE-LCH	lch(24.29, 58.06, 295.88°)
OKLab	oklab(35.7% -0.012 -0.1512)
OKLCH	oklch(35.7% 0.152 265.5)
XYZ	xyz(5.9934, 4.1903, 24.5328)
Luminance	0.0419 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#15318A #8A6E15

analogous

#156B8A #15318A #33158A

triadic

#15318A #8A1531 #318A15

tetradic

#15318A #8A156B #8A6E15 #158A33

square

#15318A #8A156B #8A6E15 #158A33

split-complementary

#15318A #8A3315 #6B8A15

monochromatic

#050B20 #0D1E55 #15318A #1D44BF #3961E1

Accessibility & contrast

On white

11.42

#15318A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.84

#15318A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #15318A

11.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##15318A	#FFFFFF	#000000	##FFFFFF
##15318A	1.00	11.42	1.84	11.42
#FFFFFF	11.42	1.00	21.00	1.00
#000000	1.84	21.00	1.00	21.00
##FFFFFF	11.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003F8D

Deuteranopia (green-blind)

#003488

Tritanopia (blue-blind)

#004858

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #15318a;
/* rgb */ color: rgb(21, 49, 138);
/* oklch */ color: oklch(35.7% 0.152 265.5);

Tailwind

colors: {
  custom: {
    50: '#6a68ad',
    500: '#15318a',
    950: '#000000',
  },
}

SCSS

$custom: #15318a;
$custom-light: #6a68ad;
$custom-dark: #000000;

JSON

{
  "hex": "#15318a",
  "rgb": {
    "r": 21,
    "g": 49,
    "b": 138
  },
  "hsl": {
    "h": 225.641,
    "s": 73.585,
    "l": 31.176
  },
  "oklch": {
    "l": 0.35697,
    "c": 0.15169,
    "h": 265.5
  },
  "luminance": 0.04191
}

Semantic roles & 50–950 ramp

primary

#15318A

secondary

#BE9F3D

accent

#C438F0

background

#F6F6FA

surface

#ECEBF4

border

#C7C6CE

text

#080610

muted

#7A7A7F

Preview Lab

Preview with #15318A

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

Preview Lab → · Contrast checker → · Palette generator →