#15217E#15217E

#15217E is a dark, vivid blue. Relative luminance 0.028; OKLCH L 31.5% C 0.155 H 268.7°. Best body text is #FFFFFF at 13.54:1 contrast (WCAG AA passes).

Color values

HEX	#15217E
RGB	rgb(21, 33, 126)
HSL	hsl(233, 71%, 29%)
HSV	hsv(233, 83%, 49%)
CMYK	cmyk(83.3%, 73.8%, 0%, 50.6%)
CIE-LAB	lab(19.03, 31.47, -53.34)
CIE-LCH	lch(19.03, 61.93, 300.54°)
OKLab	oklab(31.48% -0.0034 -0.1545)
OKLCH	oklch(31.48% 0.155 268.7)
XYZ	xyz(4.6177, 2.7530, 20.0226)
Luminance	0.0275 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#15217E #7E7215

analogous

#15567E #15217E #3E157E

triadic

#15217E #7E1521 #217E15

tetradic

#15217E #7E1556 #7E7215 #157E3E

square

#15217E #7E1556 #7E7215 #157E3E

split-complementary

#15217E #7E3E15 #567E15

monochromatic

#04071A #0C134A #15217E #1E2FB2 #3144DD

Accessibility & contrast

On white

13.54

#15217E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.55

#15217E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #15217E

13.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##15217E	#FFFFFF	#000000	##FFFFFF
##15217E	1.00	13.54	1.55	13.54
#FFFFFF	13.54	1.00	21.00	1.00
#000000	1.55	21.00	1.00	21.00
##FFFFFF	13.54	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003381

Deuteranopia (green-blind)

#00297C

Tritanopia (blue-blind)

#003B4D

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #15217e;
/* rgb */ color: rgb(21, 33, 126);
/* oklch */ color: oklch(31.5% 0.155 268.7);

Tailwind

colors: {
  custom: {
    50: '#685da4',
    500: '#15217e',
    950: '#000000',
  },
}

SCSS

$custom: #15217e;
$custom-light: #685da4;
$custom-dark: #000000;

JSON

{
  "hex": "#15217e",
  "rgb": {
    "r": 21,
    "g": 33,
    "b": 126
  },
  "hsl": {
    "h": 233.143,
    "s": 71.429,
    "l": 28.824
  },
  "oklch": {
    "l": 0.31483,
    "c": 0.15459,
    "h": 268.7
  },
  "luminance": 0.02754
}

Semantic roles & 50–950 ramp

primary

#15217E

secondary

#B3A53C

accent

#DA3AEE

background

#F6F5FA

surface

#ECE9F4

border

#C7C5CE

text

#07040F

muted

#7A797F

Preview Lab

Preview with #15217E

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

Preview Lab → · Contrast checker → · Palette generator →