#17155B#17155B

#17155B is a dark, moderate blue. Relative luminance 0.015; OKLCH L 25.6% C 0.120 H 275.1°. Best body text is #FFFFFF at 16.22:1 contrast (WCAG AA passes).

Color values

HEX	#17155B
RGB	rgb(23, 21, 91)
HSL	hsl(242, 63%, 22%)
HSV	hsv(242, 77%, 36%)
CMYK	cmyk(74.7%, 76.9%, 0%, 64.3%)
CIE-LAB	lab(12.44, 26.30, -41.35)
CIE-LCH	lch(12.44, 49.00, 302.46°)
OKLab	oklab(25.63% 0.0106 -0.1195)
OKLCH	oklch(25.63% 0.12 275.1)
XYZ	xyz(2.5092, 1.4736, 10.0477)
Luminance	0.0147 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#17155B #595B15

analogous

#15365B #17155B #3A155B

triadic

#17155B #5B1715 #155B17

tetradic

#17155B #5B1536 #595B15 #155B3A

square

#17155B #5B1536 #595B15 #155B3A

split-complementary

#17155B #5B3A15 #365B15

monochromatic

#060619 #0A0A29 #17155B #24208D #302CBE

Accessibility & contrast

On white

16.22

#17155B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.29

#17155B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #17155B

16.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##17155B	#FFFFFF	#000000	##FFFFFF
##17155B	1.00	16.22	1.29	16.22
#FFFFFF	16.22	1.00	21.00	1.00
#000000	1.29	21.00	1.00	21.00
##FFFFFF	16.22	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00245D

Deuteranopia (green-blind)

#001D5A

Tritanopia (blue-blind)

#002936

Achromatopsia (no color)

#202020

Design tokens & code

CSS

--color: #17155b;
/* rgb */ color: rgb(23, 21, 91);
/* oklch */ color: oklch(25.6% 0.120 275.1);

Tailwind

colors: {
  custom: {
    50: '#60538a',
    500: '#17155b',
    950: '#000000',
  },
}

SCSS

$custom: #17155b;
$custom-light: #60538a;
$custom-dark: #000000;

JSON

{
  "hex": "#17155b",
  "rgb": {
    "r": 23,
    "g": 21,
    "b": 91
  },
  "hsl": {
    "h": 241.714,
    "s": 62.5,
    "l": 21.961
  },
  "oklch": {
    "l": 0.25632,
    "c": 0.11998,
    "h": 275.1
  },
  "luminance": 0.01474
}

Semantic roles & 50–950 ramp

primary

#17155B

secondary

#909239

accent

#E642E1

background

#F6F4F8

surface

#EBE7F0

border

#C6C3CB

text

#05020C

muted

#7A787D

Preview Lab

Preview with #17155B

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

Preview Lab → · Contrast checker → · Palette generator →