#17137C#17137C

#17137C is a dark, vivid blue. Relative luminance 0.021; OKLCH L 29.3% C 0.165 H 271.4°. Best body text is #FFFFFF at 14.78:1 contrast (WCAG AA passes).

Color values

HEX	#17137C
RGB	rgb(23, 19, 124)
HSL	hsl(242, 73%, 28%)
HSV	hsv(242, 85%, 49%)
CMYK	cmyk(81.5%, 84.7%, 0%, 51.4%)
CIE-LAB	lab(16.02, 39.09, -57.04)
CIE-LCH	lch(16.02, 69.15, 304.42°)
OKLab	oklab(29.32% 0.004 -0.1651)
OKLCH	oklch(29.32% 0.165 271.4)
XYZ	xyz(4.2231, 2.1027, 19.2482)
Luminance	0.0210 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#17137C #787C13

analogous

#13437C #17137C #4B137C

triadic

#17137C #7C1713 #137C17

tetradic

#17137C #7C1343 #787C13 #137C4B

square

#17137C #7C1343 #787C13 #137C4B

split-complementary

#17137C #7C4B13 #437C13

monochromatic

#05041B #0D0B47 #17137C #211BB1 #322BDF

Accessibility & contrast

On white

14.78

#17137C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.42

#17137C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #17137C

14.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##17137C	#FFFFFF	#000000	##FFFFFF
##17137C	1.00	14.78	1.42	14.78
#FFFFFF	14.78	1.00	21.00	1.00
#000000	1.42	21.00	1.00	21.00
##FFFFFF	14.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002D7F

Deuteranopia (green-blind)

#00227A

Tritanopia (blue-blind)

#003549

Achromatopsia (no color)

#282828

Design tokens & code

CSS

--color: #17137c;
/* rgb */ color: rgb(23, 19, 124);
/* oklch */ color: oklch(29.3% 0.165 271.4);

Tailwind

colors: {
  custom: {
    50: '#6954a3',
    500: '#17137c',
    950: '#000000',
  },
}

SCSS

$custom: #17137c;
$custom-light: #6954a3;
$custom-dark: #000000;

JSON

{
  "hex": "#17137c",
  "rgb": {
    "r": 23,
    "g": 19,
    "b": 124
  },
  "hsl": {
    "h": 242.286,
    "s": 73.427,
    "l": 28.039
  },
  "oklch": {
    "l": 0.29316,
    "c": 0.16514,
    "h": 271.4
  },
  "luminance": 0.02103
}

Semantic roles & 50–950 ramp

primary

#17137C

secondary

#ADB239

accent

#F038E9

background

#F6F5FA

surface

#ECE8F4

border

#C7C4CE

text

#08030F

muted

#7A787F

Preview Lab

Preview with #17137C

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

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