#17138F#17138F

#17138F is a dark, vivid blue. Relative luminance 0.026; OKLCH L 31.7% C 0.188 H 269.8°. Best body text is #FFFFFF at 13.76:1 contrast (WCAG AA passes).

Color values

HEX	#17138F
RGB	rgb(23, 19, 143)
HSL	hsl(242, 77%, 32%)
HSV	hsv(242, 87%, 56%)
CMYK	cmyk(83.9%, 86.7%, 0%, 43.9%)
CIE-LAB	lab(18.50, 45.19, -64.91)
CIE-LCH	lch(18.50, 79.09, 304.85°)
OKLab	oklab(31.74% -0.0006 -0.1878)
OKLCH	oklch(31.74% 0.188 269.8)
XYZ	xyz(5.5425, 2.6304, 26.1969)
Luminance	0.0263 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#17138F #8B8F13

analogous

#134D8F #17138F #55138F

triadic

#17138F #8F1713 #138F17

tetradic

#17138F #8F134D #8B8F13 #138F55

square

#17138F #8F134D #8B8F13 #138F55

split-complementary

#17138F #8F5513 #4D8F13

monochromatic

#060523 #0E0C59 #17138F #201AC5 #3D38E5

Accessibility & contrast

On white

13.76

#17138F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.53

#17138F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #17138F

13.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##17138F	#FFFFFF	#000000	##FFFFFF
##17138F	1.00	13.76	1.53	13.76
#FFFFFF	13.76	1.00	21.00	1.00
#000000	1.53	21.00	1.00	21.00
##FFFFFF	13.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003392

Deuteranopia (green-blind)

#00268D

Tritanopia (blue-blind)

#003D54

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #17138f;
/* rgb */ color: rgb(23, 19, 143);
/* oklch */ color: oklch(31.7% 0.188 269.8);

Tailwind

colors: {
  custom: {
    50: '#6e56b1',
    500: '#17138f',
    950: '#000000',
  },
}

SCSS

$custom: #17138f;
$custom-light: #6e56b1;
$custom-dark: #000000;

JSON

{
  "hex": "#17138f",
  "rgb": {
    "r": 23,
    "g": 19,
    "b": 143
  },
  "hsl": {
    "h": 241.935,
    "s": 76.543,
    "l": 31.765
  },
  "oklch": {
    "l": 0.31736,
    "c": 0.18785,
    "h": 269.8
  },
  "luminance": 0.02631
}

Semantic roles & 50–950 ramp

primary

#17138F

secondary

#BFC33B

accent

#F335ED

background

#F7F5FB

surface

#EDE9F6

border

#C8C5D0

text

#090311

muted

#7B7880

Preview Lab

Preview with #17138F

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

Preview Lab → · Contrast checker → · Palette generator →