#17155C#17155C

#17155C is a dark, vivid blue. Relative luminance 0.015; OKLCH L 25.7% C 0.121 H 274.9°. Best body text is #FFFFFF at 16.18:1 contrast (WCAG AA passes).

Color values

HEX	#17155C
RGB	rgb(23, 21, 92)
HSL	hsl(242, 63%, 22%)
HSV	hsv(242, 77%, 36%)
CMYK	cmyk(75%, 77.2%, 0%, 63.9%)
CIE-LAB	lab(12.55, 26.67, -41.83)
CIE-LCH	lch(12.55, 49.61, 302.52°)
OKLab	oklab(25.75% 0.0104 -0.1209)
OKLCH	oklch(25.75% 0.121 274.9)
XYZ	xyz(2.5526, 1.4910, 10.2764)
Luminance	0.0149 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#17155C #5A5C15

analogous

#15375C #17155C #3B155C

triadic

#17155C #5C1715 #155C17

tetradic

#17155C #5C1537 #5A5C15 #155C3B

square

#17155C #5C1537 #5A5C15 #155C3B

split-complementary

#17155C #5C3B15 #375C15

monochromatic

#060619 #0B0A2A #17155C #23208E #302CC0

Accessibility & contrast

On white

16.18

#17155C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.30

#17155C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #17155C

16.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##17155C	#FFFFFF	#000000	##FFFFFF
##17155C	1.00	16.18	1.30	16.18
#FFFFFF	16.18	1.00	21.00	1.00
#000000	1.30	21.00	1.00	21.00
##FFFFFF	16.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00245E

Deuteranopia (green-blind)

#001D5B

Tritanopia (blue-blind)

#002937

Achromatopsia (no color)

#212121

Design tokens & code

CSS

--color: #17155c;
/* rgb */ color: rgb(23, 21, 92);
/* oklch */ color: oklch(25.7% 0.121 274.9);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#17155c",
  "rgb": {
    "r": 23,
    "g": 21,
    "b": 92
  },
  "hsl": {
    "h": 241.69,
    "s": 62.832,
    "l": 22.157
  },
  "oklch": {
    "l": 0.25745,
    "c": 0.12138,
    "h": 274.9
  },
  "luminance": 0.01491
}

Semantic roles & 50–950 ramp

primary

#17155C

secondary

#919339

accent

#E642E1

background

#F6F4F8

surface

#EBE7F0

border

#C6C3CB

text

#05020C

muted

#7A787D

Preview Lab

Preview with #17155C

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

Preview Lab → · Contrast checker → · Palette generator →