#15315C#15315C

#15315C is a dark, moderate blue. Relative luminance 0.031; OKLCH L 31.7% C 0.084 H 258.8°. Best body text is #FFFFFF at 12.92:1 contrast (WCAG AA passes).

Color values

HEX	#15315C
RGB	rgb(21, 49, 92)
HSL	hsl(216, 63%, 22%)
HSV	hsv(216, 77%, 36%)
CMYK	cmyk(77.2%, 46.7%, 0%, 63.9%)
CIE-LAB	lab(20.55, 6.20, -28.84)
CIE-LCH	lch(20.55, 29.50, 282.13°)
OKLab	oklab(31.69% -0.0163 -0.0825)
OKLCH	oklch(31.69% 0.084 258.8)
XYZ	xyz(3.3386, 3.1284, 10.5510)
Luminance	0.0313 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#15315C #5C4015

analogous

#15555C #15315C #1D155C

triadic

#15315C #5C1531 #315C15

tetradic

#15315C #5C1555 #5C4015 #155C1D

square

#15315C #5C1555 #5C4015 #155C1D

split-complementary

#15315C #5C1D15 #555C15

monochromatic

#060D19 #0A162A #15315C #204C8E #2C66C0

Accessibility & contrast

On white

12.92

#15315C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.63

#15315C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #15315C

12.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##15315C	#FFFFFF	#000000	##FFFFFF
##15315C	1.00	12.92	1.63	12.92
#FFFFFF	12.92	1.00	21.00	1.00
#000000	1.63	21.00	1.00	21.00
##FFFFFF	12.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1C355E

Deuteranopia (green-blind)

#0F2E5B

Tritanopia (blue-blind)

#003B42

Achromatopsia (no color)

#313131

Design tokens & code

CSS

--color: #15315c;
/* rgb */ color: rgb(21, 49, 92);
/* oklch */ color: oklch(31.7% 0.084 258.8);

Tailwind

colors: {
  custom: {
    50: '#5d688a',
    500: '#15315c',
    950: '#000000',
  },
}

SCSS

$custom: #15315c;
$custom-light: #5d688a;
$custom-dark: #000000;

JSON

{
  "hex": "#15315c",
  "rgb": {
    "r": 21,
    "g": 49,
    "b": 92
  },
  "hsl": {
    "h": 216.338,
    "s": 62.832,
    "l": 22.157
  },
  "oklch": {
    "l": 0.31694,
    "c": 0.08409,
    "h": 258.8
  },
  "luminance": 0.03129
}

Semantic roles & 50–950 ramp

primary

#15315C

secondary

#937039

accent

#A542E6

background

#F5F6F8

surface

#E9EBF0

border

#C5C6CB

text

#05060C

muted

#797A7D

Preview Lab

Preview with #15315C

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

Preview Lab → · Contrast checker → · Palette generator →