#15217C#15217C

#15217C is a dark, vivid blue. Relative luminance 0.027; OKLCH L 31.3% C 0.152 H 268.8°. Best body text is #FFFFFF at 13.63:1 contrast (WCAG AA passes).

Color values

HEX	#15217C
RGB	rgb(21, 33, 124)
HSL	hsl(233, 71%, 28%)
HSV	hsv(233, 83%, 49%)
CMYK	cmyk(83.1%, 73.4%, 0%, 51.4%)
CIE-LAB	lab(18.81, 30.71, -52.43)
CIE-LCH	lch(18.81, 60.76, 300.36°)
OKLab	oklab(31.26% -0.0032 -0.1519)
OKLCH	oklch(31.26% 0.152 268.8)
XYZ	xyz(4.4900, 2.7019, 19.3497)
Luminance	0.0270 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#15217C #7C7015

analogous

#15547C #15217C #3C157C

triadic

#15217C #7C1521 #217C15

tetradic

#15217C #7C1554 #7C7015 #157C3C

square

#15217C #7C1554 #7C7015 #157C3C

split-complementary

#15217C #7C3C15 #547C15

monochromatic

#04071A #0C1348 #15217C #1E2FB0 #3044DC

Accessibility & contrast

On white

13.63

#15217C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.54

#15217C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #15217C

13.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##15217C	#FFFFFF	#000000	##FFFFFF
##15217C	1.00	13.63	1.54	13.63
#FFFFFF	13.63	1.00	21.00	1.00
#000000	1.54	21.00	1.00	21.00
##FFFFFF	13.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00337F

Deuteranopia (green-blind)

#00297A

Tritanopia (blue-blind)

#003B4C

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #15217c;
/* rgb */ color: rgb(21, 33, 124);
/* oklch */ color: oklch(31.3% 0.152 268.8);

Tailwind

colors: {
  custom: {
    50: '#675ca3',
    500: '#15217c',
    950: '#000000',
  },
}

SCSS

$custom: #15217c;
$custom-light: #675ca3;
$custom-dark: #000000;

JSON

{
  "hex": "#15217c",
  "rgb": {
    "r": 21,
    "g": 33,
    "b": 124
  },
  "hsl": {
    "h": 233.01,
    "s": 71.034,
    "l": 28.431
  },
  "oklch": {
    "l": 0.31261,
    "c": 0.15192,
    "h": 268.8
  },
  "luminance": 0.02702
}

Semantic roles & 50–950 ramp

primary

#15217C

secondary

#B1A43C

accent

#D93AEE

background

#F6F5FA

surface

#ECE9F4

border

#C7C5CE

text

#07040F

muted

#7A797F

Preview Lab

Preview with #15217C

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

Preview Lab → · Contrast checker → · Palette generator →