#17317A#17317A

#17317A is a dark, vivid blue. Relative luminance 0.038; OKLCH L 34.3% C 0.129 H 265.2°. Best body text is #FFFFFF at 11.95:1 contrast (WCAG AA passes).

Color values

HEX	#17317A
RGB	rgb(23, 49, 122)
HSL	hsl(224, 68%, 28%)
HSV	hsv(224, 81%, 48%)
CMYK	cmyk(81.1%, 59.8%, 0%, 52.2%)
CIE-LAB	lab(22.94, 19.03, -44.38)
CIE-LCH	lch(22.94, 48.29, 293.21°)
OKLab	oklab(34.27% -0.0108 -0.1282)
OKLCH	oklch(34.27% 0.129 265.2)
XYZ	xyz(4.9633, 3.7834, 18.8773)
Luminance	0.0378 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#17317A #7A6017

analogous

#17627A #17317A #2E177A

triadic

#17317A #7A1731 #317A17

tetradic

#17317A #7A1762 #7A6017 #177A2E

square

#17317A #7A1762 #7A6017 #177A2E

split-complementary

#17317A #7A2E17 #627A17

monochromatic

#050A1A #0D1C47 #17317A #2146AD #335ED9

Accessibility & contrast

On white

11.95

#17317A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.76

#17317A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #17317A

11.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##17317A	#FFFFFF	#000000	##FFFFFF
##17317A	1.00	11.95	1.76	11.95
#FFFFFF	11.95	1.00	21.00	1.00
#000000	1.76	21.00	1.00	21.00
##FFFFFF	11.95	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003B7C

Deuteranopia (green-blind)

#003279

Tritanopia (blue-blind)

#004350

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #17317a;
/* rgb */ color: rgb(23, 49, 122);
/* oklch */ color: oklch(34.3% 0.129 265.2);

Tailwind

colors: {
  custom: {
    50: '#6668a1',
    500: '#17317a',
    950: '#000000',
  },
}

SCSS

$custom: #17317a;
$custom-light: #6668a1;
$custom-dark: #000000;

JSON

{
  "hex": "#17317a",
  "rgb": {
    "r": 23,
    "g": 49,
    "b": 122
  },
  "hsl": {
    "h": 224.242,
    "s": 68.276,
    "l": 28.431
  },
  "oklch": {
    "l": 0.34271,
    "c": 0.12861,
    "h": 265.2
  },
  "luminance": 0.03784
}

Semantic roles & 50–950 ramp

primary

#17317A

secondary

#AF913E

accent

#BD3DEB

background

#F6F6FA

surface

#EBEBF3

border

#C6C6CD

text

#07060F

muted

#7A7A7F

Preview Lab

Preview with #17317A

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

Preview Lab → · Contrast checker → · Palette generator →