#17217B#17217B

#17217B is a dark, vivid blue. Relative luminance 0.027; OKLCH L 31.2% C 0.150 H 269.6°. Best body text is #FFFFFF at 13.64:1 contrast (WCAG AA passes).

Color values

HEX	#17217B
RGB	rgb(23, 33, 123)
HSL	hsl(234, 68%, 29%)
HSV	hsv(234, 81%, 48%)
CMYK	cmyk(81.3%, 73.2%, 0%, 51.8%)
CIE-LAB	lab(18.80, 30.50, -51.81)
CIE-LCH	lch(18.80, 60.12, 300.49°)
OKLab	oklab(31.25% -0.001 -0.15)
OKLCH	oklch(31.25% 0.15 269.6)
XYZ	xyz(4.4711, 2.6994, 19.0204)
Luminance	0.0270 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#17217B #7B7117

analogous

#17537B #17217B #3F177B

triadic

#17217B #7B1721 #217B17

tetradic

#17217B #7B1753 #7B7117 #177B3F

square

#17217B #7B1753 #7B7117 #177B3F

split-complementary

#17217B #7B3F17 #537B17

monochromatic

#05071A #0D1347 #17217B #212FAF #3344D9

Accessibility & contrast

On white

13.64

#17217B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.54

#17217B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #17217B

13.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##17217B	#FFFFFF	#000000	##FFFFFF
##17217B	1.00	13.64	1.54	13.64
#FFFFFF	13.64	1.00	21.00	1.00
#000000	1.54	21.00	1.00	21.00
##FFFFFF	13.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00337E

Deuteranopia (green-blind)

#002979

Tritanopia (blue-blind)

#003A4B

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #17217b;
/* rgb */ color: rgb(23, 33, 123);
/* oklch */ color: oklch(31.2% 0.150 269.6);

Tailwind

colors: {
  custom: {
    50: '#675da2',
    500: '#17217b',
    950: '#000000',
  },
}

SCSS

$custom: #17217b;
$custom-light: #675da2;
$custom-dark: #000000;

JSON

{
  "hex": "#17217b",
  "rgb": {
    "r": 23,
    "g": 33,
    "b": 123
  },
  "hsl": {
    "h": 234,
    "s": 68.493,
    "l": 28.627
  },
  "oklch": {
    "l": 0.31248,
    "c": 0.15004,
    "h": 269.6
  },
  "luminance": 0.027
}

Semantic roles & 50–950 ramp

primary

#17217B

secondary

#B0A53E

accent

#DA3CEB

background

#F6F5FA

surface

#ECE9F4

border

#C7C5CE

text

#07040F

muted

#7A797F

Preview Lab

Preview with #17217B

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

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