#17227A#17227A

#17227A is a dark, vivid blue. Relative luminance 0.027; OKLCH L 31.3% C 0.148 H 269.4°. Best body text is #FFFFFF at 13.58:1 contrast (WCAG AA passes).

Color values

HEX	#17227A
RGB	rgb(23, 34, 122)
HSL	hsl(233, 68%, 28%)
HSV	hsv(233, 81%, 48%)
CMYK	cmyk(81.1%, 72.1%, 0%, 52.2%)
CIE-LAB	lab(18.93, 29.46, -50.95)
CIE-LCH	lch(18.93, 58.85, 300.04°)
OKLab	oklab(31.31% -0.0014 -0.1475)
OKLCH	oklch(31.31% 0.148 269.4)
XYZ	xyz(4.4370, 2.7309, 18.7018)
Luminance	0.0273 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#17227A #7A6F17

analogous

#17537A #17227A #3D177A

triadic

#17227A #7A1722 #227A17

tetradic

#17227A #7A1753 #7A6F17 #177A3D

square

#17227A #7A1753 #7A6F17 #177A3D

split-complementary

#17227A #7A3D17 #537A17

monochromatic

#05071A #0D1447 #17227A #2130AD #3345D9

Accessibility & contrast

On white

13.58

#17227A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.55

#17227A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #17227A

13.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##17227A	#FFFFFF	#000000	##FFFFFF
##17227A	1.00	13.58	1.55	13.58
#FFFFFF	13.58	1.00	21.00	1.00
#000000	1.55	21.00	1.00	21.00
##FFFFFF	13.58	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00337D

Deuteranopia (green-blind)

#002978

Tritanopia (blue-blind)

#003A4B

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #17227a;
/* rgb */ color: rgb(23, 34, 122);
/* oklch */ color: oklch(31.3% 0.148 269.4);

Tailwind

colors: {
  custom: {
    50: '#675da1',
    500: '#17227a',
    950: '#000000',
  },
}

SCSS

$custom: #17227a;
$custom-light: #675da1;
$custom-dark: #000000;

JSON

{
  "hex": "#17227a",
  "rgb": {
    "r": 23,
    "g": 34,
    "b": 122
  },
  "hsl": {
    "h": 233.333,
    "s": 68.276,
    "l": 28.431
  },
  "oklch": {
    "l": 0.31313,
    "c": 0.14754,
    "h": 269.4
  },
  "luminance": 0.02731
}

Semantic roles & 50–950 ramp

primary

#17227A

secondary

#AFA23E

accent

#D83DEB

background

#F6F5FA

surface

#EBE9F3

border

#C6C5CD

text

#07040F

muted

#7A797F

Preview Lab

Preview with #17227A

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

Preview Lab → · Contrast checker → · Palette generator →