#17177A#17177A

#17177A is a dark, vivid blue. Relative luminance 0.022; OKLCH L 29.6% C 0.159 H 271.2°. Best body text is #FFFFFF at 14.58:1 contrast (WCAG AA passes).

Color values

HEX	#17177A
RGB	rgb(23, 23, 122)
HSL	hsl(240, 68%, 28%)
HSV	hsv(240, 81%, 48%)
CMYK	cmyk(81.1%, 81.1%, 0%, 52.2%)
CIE-LAB	lab(16.50, 36.27, -54.96)
CIE-LCH	lch(16.50, 65.85, 303.42°)
OKLab	oklab(29.58% 0.0032 -0.1591)
OKLCH	oklch(29.58% 0.159 271.2)
XYZ	xyz(4.1714, 2.1996, 18.6133)
Luminance	0.0220 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#17177A #7A7A17

analogous

#17487A #17177A #48177A

triadic

#17177A #7A1717 #177A17

tetradic

#17177A #7A1748 #7A7A17 #177A48

square

#17177A #7A1748 #7A7A17 #177A48

split-complementary

#17177A #7A4817 #487A17

monochromatic

#05051A #0D0D47 #17177A #2121AD #3333D9

Accessibility & contrast

On white

14.58

#17177A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.44

#17177A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #17177A

14.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##17177A	#FFFFFF	#000000	##FFFFFF
##17177A	1.00	14.58	1.44	14.58
#FFFFFF	14.58	1.00	21.00	1.00
#000000	1.44	21.00	1.00	21.00
##FFFFFF	14.58	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002E7D

Deuteranopia (green-blind)

#002478

Tritanopia (blue-blind)

#003548

Achromatopsia (no color)

#292929

Design tokens & code

CSS

--color: #17177a;
/* rgb */ color: rgb(23, 23, 122);
/* oklch */ color: oklch(29.6% 0.159 271.2);

Tailwind

colors: {
  custom: {
    50: '#6856a2',
    500: '#17177a',
    950: '#000000',
  },
}

SCSS

$custom: #17177a;
$custom-light: #6856a2;
$custom-dark: #000000;

JSON

{
  "hex": "#17177a",
  "rgb": {
    "r": 23,
    "g": 23,
    "b": 122
  },
  "hsl": {
    "h": 240,
    "s": 68.276,
    "l": 28.431
  },
  "oklch": {
    "l": 0.29581,
    "c": 0.15916,
    "h": 271.2
  },
  "luminance": 0.022
}

Semantic roles & 50–950 ramp

primary

#17177A

secondary

#AFAF3E

accent

#EB3DEB

background

#F6F5FA

surface

#ECE9F4

border

#C7C5CE

text

#07030F

muted

#7A787F

Preview Lab

Preview with #17177A

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

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