#15105C#15105C

#15105C is a very dark, vivid blue. Relative luminance 0.013; OKLCH L 24.8% C 0.127 H 274.7°. Best body text is #FFFFFF at 16.66:1 contrast (WCAG AA passes).

Color values

HEX	#15105C
RGB	rgb(21, 16, 92)
HSL	hsl(244, 70%, 21%)
HSV	hsv(244, 83%, 36%)
CMYK	cmyk(77.2%, 82.6%, 0%, 63.9%)
CIE-LAB	lab(11.29, 29.57, -43.91)
CIE-LCH	lch(11.29, 52.94, 303.95°)
OKLab	oklab(24.82% 0.0105 -0.127)
OKLCH	oklch(24.82% 0.127 274.7)
XYZ	xyz(2.4257, 1.3025, 10.2467)
Luminance	0.0130 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#15105C #575C10

analogous

#10315C #15105C #3B105C

triadic

#15105C #5C1510 #105C15

tetradic

#15105C #5C1031 #575C10 #105C3B

square

#15105C #5C1031 #575C10 #105C3B

split-complementary

#15105C #5C3B10 #315C10

monochromatic

#06051A #090728 #15105C #211990 #2D22C4

Accessibility & contrast

On white

16.66

#15105C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.26

#15105C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #15105C

16.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##15105C	#FFFFFF	#000000	##FFFFFF
##15105C	1.00	16.66	1.26	16.66
#FFFFFF	16.66	1.00	21.00	1.00
#000000	1.26	21.00	1.00	21.00
##FFFFFF	16.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00215E

Deuteranopia (green-blind)

#001B5B

Tritanopia (blue-blind)

#002735

Achromatopsia (no color)

#1E1E1E

Design tokens & code

CSS

--color: #15105c;
/* rgb */ color: rgb(21, 16, 92);
/* oklch */ color: oklch(24.8% 0.127 274.7);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#15105c",
  "rgb": {
    "r": 21,
    "g": 16,
    "b": 92
  },
  "hsl": {
    "h": 243.947,
    "s": 70.37,
    "l": 21.176
  },
  "oklch": {
    "l": 0.24815,
    "c": 0.12744,
    "h": 274.7
  },
  "luminance": 0.01303
}

Semantic roles & 50–950 ramp

primary

#15105C

secondary

#8F9533

accent

#ED3BE1

background

#F6F4F8

surface

#EBE7F0

border

#C6C3CB

text

#05020C

muted

#7A787D

Preview Lab

Preview with #15105C

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

Preview Lab → · Contrast checker → · Palette generator →