#15217F#15217F

#15217F is a dark, vivid blue. Relative luminance 0.028; OKLCH L 31.6% C 0.156 H 268.7°. Best body text is #FFFFFF at 13.50:1 contrast (WCAG AA passes).

Color values

HEX	#15217F
RGB	rgb(21, 33, 127)
HSL	hsl(233, 72%, 29%)
HSV	hsv(233, 83%, 50%)
CMYK	cmyk(83.5%, 74%, 0%, 50.2%)
CIE-LAB	lab(19.14, 31.85, -53.80)
CIE-LCH	lch(19.14, 62.52, 300.63°)
OKLab	oklab(31.6% -0.0035 -0.1559)
OKLCH	oklch(31.6% 0.156 268.7)
XYZ	xyz(4.6826, 2.7789, 20.3641)
Luminance	0.0278 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#15217F #7F7315

analogous

#15567F #15217F #3E157F

triadic

#15217F #7F1521 #217F15

tetradic

#15217F #7F1556 #7F7315 #157F3E

square

#15217F #7F1556 #7F7315 #157F3E

split-complementary

#15217F #7F3E15 #567F15

monochromatic

#04071A #0C134A #15217F #1E2FB4 #3145DD

Accessibility & contrast

On white

13.50

#15217F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.56

#15217F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #15217F

13.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##15217F	#FFFFFF	#000000	##FFFFFF
##15217F	1.00	13.50	1.56	13.50
#FFFFFF	13.50	1.00	21.00	1.00
#000000	1.56	21.00	1.00	21.00
##FFFFFF	13.50	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003482

Deuteranopia (green-blind)

#00297D

Tritanopia (blue-blind)

#003C4D

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #15217f;
/* rgb */ color: rgb(21, 33, 127);
/* oklch */ color: oklch(31.6% 0.156 268.7);

Tailwind

colors: {
  custom: {
    50: '#685da5',
    500: '#15217f',
    950: '#000000',
  },
}

SCSS

$custom: #15217f;
$custom-light: #685da5;
$custom-dark: #000000;

JSON

{
  "hex": "#15217f",
  "rgb": {
    "r": 21,
    "g": 33,
    "b": 127
  },
  "hsl": {
    "h": 233.208,
    "s": 71.622,
    "l": 29.02
  },
  "oklch": {
    "l": 0.31595,
    "c": 0.15591,
    "h": 268.7
  },
  "luminance": 0.02779
}

Semantic roles & 50–950 ramp

primary

#15217F

secondary

#B4A63C

accent

#DA39EE

background

#F6F5FA

surface

#ECE9F4

border

#C7C5CE

text

#07040F

muted

#7A797F

Preview Lab

Preview with #15217F

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

Preview Lab → · Contrast checker → · Palette generator →