#17227B#17227B

#17227B is a dark, vivid blue. Relative luminance 0.028; OKLCH L 31.4% C 0.149 H 269.4°. Best body text is #FFFFFF at 13.54:1 contrast (WCAG AA passes).

Color values

HEX	#17227B
RGB	rgb(23, 34, 123)
HSL	hsl(233, 68%, 29%)
HSV	hsv(233, 81%, 48%)
CMYK	cmyk(81.3%, 72.4%, 0%, 51.8%)
CIE-LAB	lab(19.04, 29.85, -51.41)
CIE-LCH	lch(19.04, 59.45, 300.14°)
OKLab	oklab(31.42% -0.0015 -0.1489)
OKLCH	oklch(31.42% 0.149 269.4)
XYZ	xyz(4.4993, 2.7558, 19.0298)
Luminance	0.0276 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#17227B #7B7017

analogous

#17547B #17227B #3E177B

triadic

#17227B #7B1722 #227B17

tetradic

#17227B #7B1754 #7B7017 #177B3E

square

#17227B #7B1754 #7B7017 #177B3E

split-complementary

#17227B #7B3E17 #547B17

monochromatic

#05071A #0D1447 #17227B #2130AF #3346D9

Accessibility & contrast

On white

13.54

#17227B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.55

#17227B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #17227B

13.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##17227B	#FFFFFF	#000000	##FFFFFF
##17227B	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)

#00337E

Deuteranopia (green-blind)

#002979

Tritanopia (blue-blind)

#003B4B

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #17227b;
/* rgb */ color: rgb(23, 34, 123);
/* oklch */ color: oklch(31.4% 0.149 269.4);

Tailwind

colors: {
  custom: {
    50: '#675da2',
    500: '#17227b',
    950: '#000000',
  },
}

SCSS

$custom: #17227b;
$custom-light: #675da2;
$custom-dark: #000000;

JSON

{
  "hex": "#17227b",
  "rgb": {
    "r": 23,
    "g": 34,
    "b": 123
  },
  "hsl": {
    "h": 233.4,
    "s": 68.493,
    "l": 28.627
  },
  "oklch": {
    "l": 0.31422,
    "c": 0.14889,
    "h": 269.4
  },
  "luminance": 0.02756
}

Semantic roles & 50–950 ramp

primary

#17227B

secondary

#B0A33E

accent

#D83CEB

background

#F6F5FA

surface

#ECE9F4

border

#C7C5CE

text

#07040F

muted

#7A797F

Preview Lab

Preview with #17227B

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

Preview Lab → · Contrast checker → · Palette generator →