#17115B#17115B

#17115B is a very dark, vivid blue. Relative luminance 0.013; OKLCH L 25.0% C 0.124 H 276.1°. Best body text is #FFFFFF at 16.57:1 contrast (WCAG AA passes).

Color values

HEX	#17115B
RGB	rgb(23, 17, 91)
HSL	hsl(245, 69%, 21%)
HSV	hsv(245, 81%, 36%)
CMYK	cmyk(74.7%, 81.3%, 0%, 64.3%)
CIE-LAB	lab(11.54, 28.82, -42.83)
CIE-LCH	lch(11.54, 51.62, 303.94°)
OKLab	oklab(24.99% 0.0132 -0.1238)
OKLCH	oklch(24.99% 0.125 276.1)
XYZ	xyz(2.4415, 1.3382, 10.0251)
Luminance	0.0134 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#17115B #555B11

analogous

#11305B #17115B #3C115B

triadic

#17115B #5B1711 #115B17

tetradic

#17115B #5B1130 #555B11 #115B3C

square

#17115B #5B1130 #555B11 #115B3C

split-complementary

#17115B #5B3C11 #305B11

monochromatic

#07051A #0A0727 #17115B #241B8F #3124C2

Accessibility & contrast

On white

16.57

#17115B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.27

#17115B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #17115B

16.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##17115B	#FFFFFF	#000000	##FFFFFF
##17115B	1.00	16.57	1.27	16.57
#FFFFFF	16.57	1.00	21.00	1.00
#000000	1.27	21.00	1.00	21.00
##FFFFFF	16.57	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00225D

Deuteranopia (green-blind)

#001B5A

Tritanopia (blue-blind)

#002735

Achromatopsia (no color)

#1F1F1F

Design tokens & code

CSS

--color: #17115b;
/* rgb */ color: rgb(23, 17, 91);
/* oklch */ color: oklch(25.0% 0.124 276.1);

Tailwind

colors: {
  custom: {
    50: '#60508a',
    500: '#17115b',
    950: '#000000',
  },
}

SCSS

$custom: #17115b;
$custom-light: #60508a;
$custom-dark: #000000;

JSON

{
  "hex": "#17115b",
  "rgb": {
    "r": 23,
    "g": 17,
    "b": 91
  },
  "hsl": {
    "h": 244.865,
    "s": 68.519,
    "l": 21.176
  },
  "oklch": {
    "l": 0.24994,
    "c": 0.1245,
    "h": 276.1
  },
  "luminance": 0.01338
}

Semantic roles & 50–950 ramp

primary

#17115B

secondary

#8C9434

accent

#EB3CDD

background

#F6F4F8

surface

#EBE7F0

border

#C6C3CB

text

#05020C

muted

#7A787D

Preview Lab

Preview with #17115B

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

Preview Lab → · Contrast checker → · Palette generator →