#17138C#17138C

#17138C is a dark, vivid blue. Relative luminance 0.025; OKLCH L 31.4% C 0.184 H 270.0°. Best body text is #FFFFFF at 13.92:1 contrast (WCAG AA passes).

Color values

HEX	#17138C
RGB	rgb(23, 19, 140)
HSL	hsl(242, 76%, 31%)
HSV	hsv(242, 86%, 55%)
CMYK	cmyk(83.6%, 86.4%, 0%, 45.1%)
CIE-LAB	lab(18.10, 44.25, -63.70)
CIE-LCH	lch(18.10, 77.56, 304.79°)
OKLab	oklab(31.35% 0.0001 -0.1843)
OKLCH	oklch(31.35% 0.184 270)
XYZ	xyz(5.3182, 2.5407, 25.0160)
Luminance	0.0254 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#17138C #888C13

analogous

#134B8C #17138C #53138C

triadic

#17138C #8C1713 #138C17

tetradic

#17138C #8C134B #888C13 #138C53

square

#17138C #8C134B #888C13 #138C53

split-complementary

#17138C #8C5313 #4B8C13

monochromatic

#050420 #0E0C56 #17138C #201AC2 #3B36E4

Accessibility & contrast

On white

13.92

#17138C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.51

#17138C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #17138C

13.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##17138C	#FFFFFF	#000000	##FFFFFF
##17138C	1.00	13.92	1.51	13.92
#FFFFFF	13.92	1.00	21.00	1.00
#000000	1.51	21.00	1.00	21.00
##FFFFFF	13.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00328F

Deuteranopia (green-blind)

#00268A

Tritanopia (blue-blind)

#003B52

Achromatopsia (no color)

#2C2C2C

Design tokens & code

CSS

--color: #17138c;
/* rgb */ color: rgb(23, 19, 140);
/* oklch */ color: oklch(31.4% 0.184 270.0);

Tailwind

colors: {
  custom: {
    50: '#6e55af',
    500: '#17138c',
    950: '#000000',
  },
}

SCSS

$custom: #17138c;
$custom-light: #6e55af;
$custom-dark: #000000;

JSON

{
  "hex": "#17138c",
  "rgb": {
    "r": 23,
    "g": 19,
    "b": 140
  },
  "hsl": {
    "h": 241.983,
    "s": 76.101,
    "l": 31.176
  },
  "oklch": {
    "l": 0.31351,
    "c": 0.18434,
    "h": 270
  },
  "luminance": 0.02541
}

Semantic roles & 50–950 ramp

primary

#17138C

secondary

#BCC03B

accent

#F335EC

background

#F7F5FA

surface

#EDE9F5

border

#C8C5CF

text

#090311

muted

#7B7880

Preview Lab

Preview with #17138C

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

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