#17138D#17138D

#17138D is a dark, vivid blue. Relative luminance 0.026; OKLCH L 31.5% C 0.186 H 270.0°. Best body text is #FFFFFF at 13.87:1 contrast (WCAG AA passes).

Color values

HEX	#17138D
RGB	rgb(23, 19, 141)
HSL	hsl(242, 76%, 31%)
HSV	hsv(242, 87%, 55%)
CMYK	cmyk(83.7%, 86.5%, 0%, 44.7%)
CIE-LAB	lab(18.23, 44.56, -64.10)
CIE-LCH	lch(18.23, 78.07, 304.81°)
OKLab	oklab(31.48% -0.0002 -0.1855)
OKLCH	oklch(31.48% 0.186 270)
XYZ	xyz(5.3923, 2.5704, 25.4061)
Luminance	0.0257 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#17138D #898D13

analogous

#134C8D #17138D #54138D

triadic

#17138D #8D1713 #138D17

tetradic

#17138D #8D134C #898D13 #138D54

square

#17138D #8D134C #898D13 #138D54

split-complementary

#17138D #8D5413 #4C8D13

monochromatic

#050421 #0E0C57 #17138D #201AC3 #3C36E4

Accessibility & contrast

On white

13.87

#17138D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.51

#17138D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #17138D

13.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##17138D	#FFFFFF	#000000	##FFFFFF
##17138D	1.00	13.87	1.51	13.87
#FFFFFF	13.87	1.00	21.00	1.00
#000000	1.51	21.00	1.00	21.00
##FFFFFF	13.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003390

Deuteranopia (green-blind)

#00268B

Tritanopia (blue-blind)

#003C53

Achromatopsia (no color)

#2C2C2C

Design tokens & code

CSS

--color: #17138d;
/* rgb */ color: rgb(23, 19, 141);
/* oklch */ color: oklch(31.5% 0.186 270.0);

Tailwind

colors: {
  custom: {
    50: '#6e55b0',
    500: '#17138d',
    950: '#000000',
  },
}

SCSS

$custom: #17138d;
$custom-light: #6e55b0;
$custom-dark: #000000;

JSON

{
  "hex": "#17138d",
  "rgb": {
    "r": 23,
    "g": 19,
    "b": 141
  },
  "hsl": {
    "h": 241.967,
    "s": 76.25,
    "l": 31.373
  },
  "oklch": {
    "l": 0.31479,
    "c": 0.18551,
    "h": 270
  },
  "luminance": 0.02571
}

Semantic roles & 50–950 ramp

primary

#17138D

secondary

#BDC13B

accent

#F335ED

background

#F7F5FB

surface

#EDE9F6

border

#C8C5D0

text

#090311

muted

#7B7880

Preview Lab

Preview with #17138D

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

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