#15105B#15105B

#15105B is a very dark, vivid blue. Relative luminance 0.013; OKLCH L 24.7% C 0.126 H 274.9°. Best body text is #FFFFFF at 16.71:1 contrast (WCAG AA passes).

Color values

HEX	#15105B
RGB	rgb(21, 16, 91)
HSL	hsl(244, 70%, 21%)
HSV	hsv(244, 82%, 36%)
CMYK	cmyk(76.9%, 82.4%, 0%, 64.3%)
CIE-LAB	lab(11.17, 29.21, -43.44)
CIE-LCH	lch(11.17, 52.35, 303.92°)
OKLab	oklab(24.69% 0.0108 -0.1256)
OKLCH	oklch(24.69% 0.126 274.9)
XYZ	xyz(2.3823, 1.2851, 10.0180)
Luminance	0.0129 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#15105B #565B10

analogous

#10305B #15105B #3A105B

triadic

#15105B #5B1510 #105B15

tetradic

#15105B #5B1030 #565B10 #105B3A

square

#15105B #5B1030 #565B10 #105B3A

split-complementary

#15105B #5B3A10 #305B10

monochromatic

#06051A #090727 #15105B #21198F #2D22C3

Accessibility & contrast

On white

16.71

#15105B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.26

#15105B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #15105B

16.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##15105B	#FFFFFF	#000000	##FFFFFF
##15105B	1.00	16.71	1.26	16.71
#FFFFFF	16.71	1.00	21.00	1.00
#000000	1.26	21.00	1.00	21.00
##FFFFFF	16.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00215D

Deuteranopia (green-blind)

#001A5A

Tritanopia (blue-blind)

#002635

Achromatopsia (no color)

#1E1E1E

Design tokens & code

CSS

--color: #15105b;
/* rgb */ color: rgb(21, 16, 91);
/* oklch */ color: oklch(24.7% 0.126 274.9);

Tailwind

colors: {
  custom: {
    50: '#60508a',
    500: '#15105b',
    950: '#000000',
  },
}

SCSS

$custom: #15105b;
$custom-light: #60508a;
$custom-dark: #000000;

JSON

{
  "hex": "#15105b",
  "rgb": {
    "r": 21,
    "g": 16,
    "b": 91
  },
  "hsl": {
    "h": 244,
    "s": 70.093,
    "l": 20.98
  },
  "oklch": {
    "l": 0.24693,
    "c": 0.12609,
    "h": 274.9
  },
  "luminance": 0.01285
}

Semantic roles & 50–950 ramp

primary

#15105B

secondary

#8E9433

accent

#ED3BE1

background

#F6F4F8

surface

#EBE7F0

border

#C6C3CB

text

#05020C

muted

#7A787D

Preview Lab

Preview with #15105B

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

Preview Lab → · Contrast checker → · Palette generator →