#17138E#17138E

#17138E is a dark, vivid blue. Relative luminance 0.026; OKLCH L 31.6% C 0.187 H 269.9°. Best body text is #FFFFFF at 13.81:1 contrast (WCAG AA passes).

Color values

HEX	#17138E
RGB	rgb(23, 19, 142)
HSL	hsl(242, 76%, 32%)
HSV	hsv(242, 87%, 56%)
CMYK	cmyk(83.8%, 86.6%, 0%, 44.3%)
CIE-LAB	lab(18.37, 44.88, -64.51)
CIE-LCH	lch(18.37, 78.58, 304.83°)
OKLab	oklab(31.61% -0.0004 -0.1867)
OKLCH	oklch(31.61% 0.187 269.9)
XYZ	xyz(5.4670, 2.6003, 25.7997)
Luminance	0.0260 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#17138E #8A8E13

analogous

#134D8E #17138E #55138E

triadic

#17138E #8E1713 #138E17

tetradic

#17138E #8E134D #8A8E13 #138E55

square

#17138E #8E134D #8A8E13 #138E55

split-complementary

#17138E #8E5513 #4D8E13

monochromatic

#060522 #0E0C58 #17138E #201AC4 #3D37E4

Accessibility & contrast

On white

13.81

#17138E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.52

#17138E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #17138E

13.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##17138E	#FFFFFF	#000000	##FFFFFF
##17138E	1.00	13.81	1.52	13.81
#FFFFFF	13.81	1.00	21.00	1.00
#000000	1.52	21.00	1.00	21.00
##FFFFFF	13.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003391

Deuteranopia (green-blind)

#00268C

Tritanopia (blue-blind)

#003C53

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #17138e;
/* rgb */ color: rgb(23, 19, 142);
/* oklch */ color: oklch(31.6% 0.187 269.9);

Tailwind

colors: {
  custom: {
    50: '#6e56b0',
    500: '#17138e',
    950: '#000000',
  },
}

SCSS

$custom: #17138e;
$custom-light: #6e56b0;
$custom-dark: #000000;

JSON

{
  "hex": "#17138e",
  "rgb": {
    "r": 23,
    "g": 19,
    "b": 142
  },
  "hsl": {
    "h": 241.951,
    "s": 76.398,
    "l": 31.569
  },
  "oklch": {
    "l": 0.31607,
    "c": 0.18668,
    "h": 269.9
  },
  "luminance": 0.02601
}

Semantic roles & 50–950 ramp

primary

#17138E

secondary

#BEC23B

accent

#F335ED

background

#F7F5FB

surface

#EDE9F6

border

#C8C5D0

text

#090311

muted

#7B7880

Preview Lab

Preview with #17138E

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

Preview Lab → · Contrast checker → · Palette generator →