#17135B#17135B

#17135B is a dark, vivid blue. Relative luminance 0.014; OKLCH L 25.3% C 0.122 H 275.6°. Best body text is #FFFFFF at 16.40:1 contrast (WCAG AA passes).

Color values

HEX	#17135B
RGB	rgb(23, 19, 91)
HSL	hsl(243, 65%, 22%)
HSV	hsv(243, 79%, 36%)
CMYK	cmyk(74.7%, 79.1%, 0%, 64.3%)
CIE-LAB	lab(11.98, 27.59, -42.11)
CIE-LCH	lch(11.98, 50.34, 303.23°)
OKLab	oklab(25.3% 0.0119 -0.1217)
OKLCH	oklch(25.3% 0.122 275.6)
XYZ	xyz(2.4739, 1.4030, 10.0359)
Luminance	0.0140 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#17135B #575B13

analogous

#13335B #17135B #3B135B

triadic

#17135B #5B1713 #135B17

tetradic

#17135B #5B1333 #575B13 #135B3B

square

#17135B #5B1333 #575B13 #135B3B

split-complementary

#17135B #5B3B13 #335B13

monochromatic

#060519 #0A0828 #17135B #241E8E #3128C0

Accessibility & contrast

On white

16.40

#17135B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.28

#17135B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #17135B

16.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##17135B	#FFFFFF	#000000	##FFFFFF
##17135B	1.00	16.40	1.28	16.40
#FFFFFF	16.40	1.00	21.00	1.00
#000000	1.28	21.00	1.00	21.00
##FFFFFF	16.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00235D

Deuteranopia (green-blind)

#001C5A

Tritanopia (blue-blind)

#002836

Achromatopsia (no color)

#1F1F1F

Design tokens & code

CSS

--color: #17135b;
/* rgb */ color: rgb(23, 19, 91);
/* oklch */ color: oklch(25.3% 0.122 275.6);

Tailwind

colors: {
  custom: {
    50: '#60528a',
    500: '#17135b',
    950: '#000000',
  },
}

SCSS

$custom: #17135b;
$custom-light: #60528a;
$custom-dark: #000000;

JSON

{
  "hex": "#17135b",
  "rgb": {
    "r": 23,
    "g": 19,
    "b": 91
  },
  "hsl": {
    "h": 243.333,
    "s": 65.455,
    "l": 21.569
  },
  "oklch": {
    "l": 0.25303,
    "c": 0.12229,
    "h": 275.6
  },
  "luminance": 0.01403
}

Semantic roles & 50–950 ramp

primary

#17135B

secondary

#8E9337

accent

#E83FDF

background

#F6F4F8

surface

#EBE7F0

border

#C6C3CB

text

#05020C

muted

#7A787D

Preview Lab

Preview with #17135B

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

Preview Lab → · Contrast checker → · Palette generator →