#15338A#15338A

#15338A is a dark, vivid blue. Relative luminance 0.044; OKLCH L 36.1% C 0.149 H 265.0°. Best body text is #FFFFFF at 11.22:1 contrast (WCAG AA passes).

Color values

HEX	#15338A
RGB	rgb(21, 51, 138)
HSL	hsl(225, 74%, 31%)
HSV	hsv(225, 85%, 54%)
CMYK	cmyk(84.8%, 63%, 0%, 45.9%)
CIE-LAB	lab(24.83, 23.96, -51.35)
CIE-LCH	lch(24.83, 56.66, 295.01°)
OKLab	oklab(36.1% -0.0131 -0.1486)
OKLCH	oklch(36.1% 0.149 265)
XYZ	xyz(6.0789, 4.3613, 24.5613)
Luminance	0.0436 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#15338A #8A6C15

analogous

#156D8A #15338A #31158A

triadic

#15338A #8A1533 #338A15

tetradic

#15338A #8A156D #8A6C15 #158A31

square

#15338A #8A156D #8A6C15 #158A31

split-complementary

#15338A #8A3115 #6D8A15

monochromatic

#050C20 #0D1F55 #15338A #1D47BF #3964E1

Accessibility & contrast

On white

11.22

#15338A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.87

#15338A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #15338A

11.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##15338A	#FFFFFF	#000000	##FFFFFF
##15338A	1.00	11.22	1.87	11.22
#FFFFFF	11.22	1.00	21.00	1.00
#000000	1.87	21.00	1.00	21.00
##FFFFFF	11.22	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00418D

Deuteranopia (green-blind)

#003688

Tritanopia (blue-blind)

#004A59

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #15338a;
/* rgb */ color: rgb(21, 51, 138);
/* oklch */ color: oklch(36.1% 0.149 265.0);

Tailwind

colors: {
  custom: {
    50: '#696aad',
    500: '#15338a',
    950: '#000000',
  },
}

SCSS

$custom: #15338a;
$custom-light: #696aad;
$custom-dark: #000000;

JSON

{
  "hex": "#15338a",
  "rgb": {
    "r": 21,
    "g": 51,
    "b": 138
  },
  "hsl": {
    "h": 224.615,
    "s": 73.585,
    "l": 31.176
  },
  "oklch": {
    "l": 0.36098,
    "c": 0.14918,
    "h": 265
  },
  "luminance": 0.04362
}

Semantic roles & 50–950 ramp

primary

#15338A

secondary

#BE9D3D

accent

#C138F0

background

#F6F6FA

surface

#ECEBF4

border

#C7C6CE

text

#080610

muted

#7A7A7F

Preview Lab

Preview with #15338A

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

Preview Lab → · Contrast checker → · Palette generator →