#17137E#17137E

#17137E is a dark, vivid blue. Relative luminance 0.022; OKLCH L 29.6% C 0.168 H 271.2°. Best body text is #FFFFFF at 14.68:1 contrast (WCAG AA passes).

Color values

HEX	#17137E
RGB	rgb(23, 19, 126)
HSL	hsl(242, 74%, 28%)
HSV	hsv(242, 85%, 49%)
CMYK	cmyk(81.7%, 84.9%, 0%, 50.6%)
CIE-LAB	lab(16.27, 39.75, -57.89)
CIE-LCH	lch(16.27, 70.22, 304.47°)
OKLab	oklab(29.57% 0.0035 -0.1675)
OKLCH	oklch(29.57% 0.168 271.2)
XYZ	xyz(4.3508, 2.1538, 19.9210)
Luminance	0.0215 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#17137E #7A7E13

analogous

#13447E #17137E #4C137E

triadic

#17137E #7E1713 #137E17

tetradic

#17137E #7E1344 #7A7E13 #137E4C

square

#17137E #7E1344 #7A7E13 #137E4C

split-complementary

#17137E #7E4C13 #447E13

monochromatic

#05041B #0D0B49 #17137E #211BB3 #332CDF

Accessibility & contrast

On white

14.68

#17137E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.43

#17137E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #17137E

14.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##17137E	#FFFFFF	#000000	##FFFFFF
##17137E	1.00	14.68	1.43	14.68
#FFFFFF	14.68	1.00	21.00	1.00
#000000	1.43	21.00	1.00	21.00
##FFFFFF	14.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002E81

Deuteranopia (green-blind)

#00237C

Tritanopia (blue-blind)

#00354A

Achromatopsia (no color)

#282828

Design tokens & code

CSS

--color: #17137e;
/* rgb */ color: rgb(23, 19, 126);
/* oklch */ color: oklch(29.6% 0.168 271.2);

Tailwind

colors: {
  custom: {
    50: '#6a54a5',
    500: '#17137e',
    950: '#000000',
  },
}

SCSS

$custom: #17137e;
$custom-light: #6a54a5;
$custom-dark: #000000;

JSON

{
  "hex": "#17137e",
  "rgb": {
    "r": 23,
    "g": 19,
    "b": 126
  },
  "hsl": {
    "h": 242.243,
    "s": 73.793,
    "l": 28.431
  },
  "oklch": {
    "l": 0.29568,
    "c": 0.16759,
    "h": 271.2
  },
  "luminance": 0.02154
}

Semantic roles & 50–950 ramp

primary

#17137E

secondary

#AFB439

accent

#F037EA

background

#F6F5FA

surface

#ECE9F4

border

#C7C5CE

text

#08030F

muted

#7A787F

Preview Lab

Preview with #17137E

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

Preview Lab → · Contrast checker → · Palette generator →