#15155C#15155C

#15155C is a dark, vivid blue. Relative luminance 0.015; OKLCH L 25.6% C 0.122 H 273.6°. Best body text is #FFFFFF at 16.23:1 contrast (WCAG AA passes).

Color values

HEX	#15155C
RGB	rgb(21, 21, 92)
HSL	hsl(240, 63%, 22%)
HSV	hsv(240, 77%, 36%)
CMYK	cmyk(77.2%, 77.2%, 0%, 63.9%)
CIE-LAB	lab(12.40, 26.43, -42.08)
CIE-LCH	lch(12.40, 49.69, 302.14°)
OKLab	oklab(25.6% 0.0077 -0.1217)
OKLCH	oklch(25.6% 0.122 273.6)
XYZ	xyz(2.5085, 1.4682, 10.2743)
Luminance	0.0147 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#15155C #5C5C15

analogous

#15395C #15155C #39155C

triadic

#15155C #5C1515 #155C15

tetradic

#15155C #5C1539 #5C5C15 #155C39

square

#15155C #5C1539 #5C5C15 #155C39

split-complementary

#15155C #5C3915 #395C15

monochromatic

#060619 #0A0A2A #15155C #20208E #2C2CC0

Accessibility & contrast

On white

16.23

#15155C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.29

#15155C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #15155C

16.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##15155C	#FFFFFF	#000000	##FFFFFF
##15155C	1.00	16.23	1.29	16.23
#FFFFFF	16.23	1.00	21.00	1.00
#000000	1.29	21.00	1.00	21.00
##FFFFFF	16.23	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00245E

Deuteranopia (green-blind)

#001D5B

Tritanopia (blue-blind)

#002937

Achromatopsia (no color)

#202020

Design tokens & code

CSS

--color: #15155c;
/* rgb */ color: rgb(21, 21, 92);
/* oklch */ color: oklch(25.6% 0.122 273.6);

Tailwind

colors: {
  custom: {
    50: '#5f538b',
    500: '#15155c',
    950: '#000000',
  },
}

SCSS

$custom: #15155c;
$custom-light: #5f538b;
$custom-dark: #000000;

JSON

{
  "hex": "#15155c",
  "rgb": {
    "r": 21,
    "g": 21,
    "b": 92
  },
  "hsl": {
    "h": 240,
    "s": 62.832,
    "l": 22.157
  },
  "oklch": {
    "l": 0.25602,
    "c": 0.12195,
    "h": 273.6
  },
  "luminance": 0.01468
}

Semantic roles & 50–950 ramp

primary

#15155C

secondary

#939339

accent

#E642E6

background

#F6F4F8

surface

#EBE7F0

border

#C6C3CB

text

#05020C

muted

#7A787D

Preview Lab

Preview with #15155C

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

Preview Lab → · Contrast checker → · Palette generator →