#15315F#15315F

#15315F is a dark, moderate blue. Relative luminance 0.032; OKLCH L 31.9% C 0.089 H 259.8°. Best body text is #FFFFFF at 12.83:1 contrast (WCAG AA passes).

Color values

HEX	#15315F
RGB	rgb(21, 49, 95)
HSL	hsl(217, 64%, 23%)
HSV	hsv(217, 78%, 37%)
CMYK	cmyk(77.9%, 48.4%, 0%, 62.7%)
CIE-LAB	lab(20.76, 7.47, -30.49)
CIE-LCH	lch(20.76, 31.39, 283.76°)
OKLab	oklab(31.92% -0.0157 -0.0873)
OKLCH	oklch(31.92% 0.089 259.8)
XYZ	xyz(3.4724, 3.1819, 11.2554)
Luminance	0.0318 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#15315F #5F4315

analogous

#15565F #15315F #1E155F

triadic

#15315F #5F1531 #315F15

tetradic

#15315F #5F1556 #5F4315 #155F1E

square

#15315F #5F1556 #5F4315 #155F1E

split-complementary

#15315F #5F1E15 #565F15

monochromatic

#060D19 #0A172D #15315F #204B91 #2B65C3

Accessibility & contrast

On white

12.83

#15315F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.64

#15315F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #15315F

12.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##15315F	#FFFFFF	#000000	##FFFFFF
##15315F	1.00	12.83	1.64	12.83
#FFFFFF	12.83	1.00	21.00	1.00
#000000	1.64	21.00	1.00	21.00
##FFFFFF	12.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1A3661

Deuteranopia (green-blind)

#0A2F5E

Tritanopia (blue-blind)

#003C43

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #15315f;
/* rgb */ color: rgb(21, 49, 95);
/* oklch */ color: oklch(31.9% 0.089 259.8);

Tailwind

colors: {
  custom: {
    50: '#5e688d',
    500: '#15315f',
    950: '#000000',
  },
}

SCSS

$custom: #15315f;
$custom-light: #5e688d;
$custom-dark: #000000;

JSON

{
  "hex": "#15315f",
  "rgb": {
    "r": 21,
    "g": 49,
    "b": 95
  },
  "hsl": {
    "h": 217.297,
    "s": 63.793,
    "l": 22.745
  },
  "oklch": {
    "l": 0.31921,
    "c": 0.08872,
    "h": 259.8
  },
  "luminance": 0.03182
}

Semantic roles & 50–950 ramp

primary

#15315F

secondary

#96733A

accent

#A841E7

background

#F5F6F8

surface

#EAEBF0

border

#C6C6CB

text

#05060C

muted

#797A7D

Preview Lab

Preview with #15315F

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

Preview Lab → · Contrast checker → · Palette generator →