#15315A#15315A

#15315A is a dark, moderate blue. Relative luminance 0.031; OKLCH L 31.5% C 0.081 H 258.1°. Best body text is #FFFFFF at 12.97:1 contrast (WCAG AA passes).

Color values

HEX	#15315A
RGB	rgb(21, 49, 90)
HSL	hsl(216, 62%, 22%)
HSV	hsv(216, 77%, 35%)
CMYK	cmyk(76.7%, 45.6%, 0%, 64.7%)
CIE-LAB	lab(20.42, 5.36, -27.74)
CIE-LCH	lch(20.42, 28.25, 280.94°)
OKLab	oklab(31.55% -0.0168 -0.0792)
OKLCH	oklch(31.55% 0.081 258.1)
XYZ	xyz(3.2524, 3.0939, 10.0967)
Luminance	0.0309 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#15315A #5A3E15

analogous

#15545A #15315A #1C155A

triadic

#15315A #5A1531 #315A15

tetradic

#15315A #5A1554 #5A3E15 #155A1C

square

#15315A #5A1554 #5A3E15 #155A1C

split-complementary

#15315A #5A1C15 #545A15

monochromatic

#060E19 #091628 #15315A #214C8C #2C67BD

Accessibility & contrast

On white

12.97

#15315A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.62

#15315A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #15315A

12.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##15315A	#FFFFFF	#000000	##FFFFFF
##15315A	1.00	12.97	1.62	12.97
#FFFFFF	12.97	1.00	21.00	1.00
#000000	1.62	21.00	1.00	21.00
##FFFFFF	12.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1D355C

Deuteranopia (green-blind)

#122E59

Tritanopia (blue-blind)

#003B41

Achromatopsia (no color)

#313131

Design tokens & code

CSS

--color: #15315a;
/* rgb */ color: rgb(21, 49, 90);
/* oklch */ color: oklch(31.5% 0.081 258.1);

Tailwind

colors: {
  custom: {
    50: '#5c6889',
    500: '#15315a',
    950: '#000000',
  },
}

SCSS

$custom: #15315a;
$custom-light: #5c6889;
$custom-dark: #000000;

JSON

{
  "hex": "#15315a",
  "rgb": {
    "r": 21,
    "g": 49,
    "b": 90
  },
  "hsl": {
    "h": 215.652,
    "s": 62.162,
    "l": 21.765
  },
  "oklch": {
    "l": 0.31546,
    "c": 0.081,
    "h": 258.1
  },
  "luminance": 0.03094
}

Semantic roles & 50–950 ramp

primary

#15315A

secondary

#926E39

accent

#A343E5

background

#F5F6F8

surface

#E9EBF0

border

#C5C6CB

text

#05060B

muted

#797A7C

Preview Lab

Preview with #15315A

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

Preview Lab → · Contrast checker → · Palette generator →