#17216B#17216B

#17216B is a dark, vivid blue. Relative luminance 0.023; OKLCH L 29.5% C 0.128 H 270.2°. Best body text is #FFFFFF at 14.32:1 contrast (WCAG AA passes).

Color values

HEX	#17216B
RGB	rgb(23, 33, 107)
HSL	hsl(233, 65%, 25%)
HSV	hsv(233, 79%, 42%)
CMYK	cmyk(78.5%, 69.2%, 0%, 58%)
CIE-LAB	lab(17.14, 24.31, -44.22)
CIE-LCH	lch(17.14, 50.46, 298.80°)
OKLab	oklab(29.54% 0.0006 -0.1279)
OKLCH	oklch(29.54% 0.128 270.2)
XYZ	xyz(3.5501, 2.3310, 14.1699)
Luminance	0.0233 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#17216B #6B6117

analogous

#174B6B #17216B #37176B

triadic

#17216B #6B1721 #216B17

tetradic

#17216B #6B174B #6B6117 #176B37

square

#17216B #6B174B #6B6117 #176B37

split-complementary

#17216B #6B3717 #4B6B17

monochromatic

#050819 #0C1139 #17216B #22319D #2D40D0

Accessibility & contrast

On white

14.32

#17216B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.47

#17216B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #17216B

14.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##17216B	#FFFFFF	#000000	##FFFFFF
##17216B	1.00	14.32	1.47	14.32
#FFFFFF	14.32	1.00	21.00	1.00
#000000	1.47	21.00	1.00	21.00
##FFFFFF	14.32	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002E6D

Deuteranopia (green-blind)

#00266A

Tritanopia (blue-blind)

#003542

Achromatopsia (no color)

#2A2A2A

Design tokens & code

CSS

--color: #17216b;
/* rgb */ color: rgb(23, 33, 107);
/* oklch */ color: oklch(29.5% 0.128 270.2);

Tailwind

colors: {
  custom: {
    50: '#635c96',
    500: '#17216b',
    950: '#000000',
  },
}

SCSS

$custom: #17216b;
$custom-light: #635c96;
$custom-dark: #000000;

JSON

{
  "hex": "#17216b",
  "rgb": {
    "r": 23,
    "g": 33,
    "b": 107
  },
  "hsl": {
    "h": 232.857,
    "s": 64.615,
    "l": 25.49
  },
  "oklch": {
    "l": 0.2954,
    "c": 0.12789,
    "h": 270.2
  },
  "luminance": 0.02331
}

Semantic roles & 50–950 ramp

primary

#17216B

secondary

#A1953D

accent

#D440E8

background

#F6F5F9

surface

#EBE9F2

border

#C6C5CC

text

#06040D

muted

#7A797E

Preview Lab

Preview with #17216B

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

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