#15115B#15115B

#15115B is a very dark, vivid blue. Relative luminance 0.013; OKLCH L 24.8% C 0.125 H 274.7°. Best body text is #FFFFFF at 16.62:1 contrast (WCAG AA passes).

Color values

HEX	#15115B
RGB	rgb(21, 17, 91)
HSL	hsl(243, 69%, 21%)
HSV	hsv(243, 81%, 36%)
CMYK	cmyk(76.9%, 81.3%, 0%, 64.3%)
CIE-LAB	lab(11.38, 28.61, -43.09)
CIE-LCH	lch(11.38, 51.72, 303.58°)
OKLab	oklab(24.84% 0.0102 -0.1246)
OKLCH	oklch(24.84% 0.125 274.7)
XYZ	xyz(2.3974, 1.3154, 10.0231)
Luminance	0.0132 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#15115B #575B11

analogous

#11325B #15115B #3A115B

triadic

#15115B #5B1511 #115B15

tetradic

#15115B #5B1132 #575B11 #115B3A

square

#15115B #5B1132 #575B11 #115B3A

split-complementary

#15115B #5B3A11 #325B11

monochromatic

#06051A #090727 #15115B #211B8F #2D24C2

Accessibility & contrast

On white

16.62

#15115B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.26

#15115B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #15115B

16.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##15115B	#FFFFFF	#000000	##FFFFFF
##15115B	1.00	16.62	1.26	16.62
#FFFFFF	16.62	1.00	21.00	1.00
#000000	1.26	21.00	1.00	21.00
##FFFFFF	16.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00225D

Deuteranopia (green-blind)

#001B5A

Tritanopia (blue-blind)

#002735

Achromatopsia (no color)

#1E1E1E

Design tokens & code

CSS

--color: #15115b;
/* rgb */ color: rgb(21, 17, 91);
/* oklch */ color: oklch(24.8% 0.125 274.7);

Tailwind

colors: {
  custom: {
    50: '#5f508a',
    500: '#15115b',
    950: '#000000',
  },
}

SCSS

$custom: #15115b;
$custom-light: #5f508a;
$custom-dark: #000000;

JSON

{
  "hex": "#15115b",
  "rgb": {
    "r": 21,
    "g": 17,
    "b": 91
  },
  "hsl": {
    "h": 243.243,
    "s": 68.519,
    "l": 21.176
  },
  "oklch": {
    "l": 0.24842,
    "c": 0.12505,
    "h": 274.7
  },
  "luminance": 0.01316
}

Semantic roles & 50–950 ramp

primary

#15115B

secondary

#8F9434

accent

#EB3CE2

background

#F6F4F8

surface

#EBE7F0

border

#C6C3CB

text

#05020C

muted

#7A787D

Preview Lab

Preview with #15115B

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

Preview Lab → · Contrast checker → · Palette generator →