#17145B#17145B

#17145B is a dark, vivid blue. Relative luminance 0.014; OKLCH L 25.5% C 0.121 H 275.4°. Best body text is #FFFFFF at 16.31:1 contrast (WCAG AA passes).

Color values

HEX	#17145B
RGB	rgb(23, 20, 91)
HSL	hsl(243, 64%, 22%)
HSV	hsv(243, 78%, 36%)
CMYK	cmyk(74.7%, 78%, 0%, 64.3%)
CIE-LAB	lab(12.21, 26.95, -41.73)
CIE-LCH	lch(12.21, 49.67, 302.85°)
OKLab	oklab(25.47% 0.0113 -0.1206)
OKLCH	oklch(25.47% 0.121 275.4)
XYZ	xyz(2.4912, 1.4376, 10.0417)
Luminance	0.0144 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#17145B #585B14

analogous

#14355B #17145B #3B145B

triadic

#17145B #5B1714 #145B17

tetradic

#17145B #5B1435 #585B14 #145B3B

square

#17145B #5B1435 #585B14 #145B3B

split-complementary

#17145B #5B3B14 #355B14

monochromatic

#060619 #0A0929 #17145B #241F8D #302ABF

Accessibility & contrast

On white

16.31

#17145B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.29

#17145B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #17145B

16.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##17145B	#FFFFFF	#000000	##FFFFFF
##17145B	1.00	16.31	1.29	16.31
#FFFFFF	16.31	1.00	21.00	1.00
#000000	1.29	21.00	1.00	21.00
##FFFFFF	16.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00235D

Deuteranopia (green-blind)

#001D5A

Tritanopia (blue-blind)

#002836

Achromatopsia (no color)

#202020

Design tokens & code

CSS

--color: #17145b;
/* rgb */ color: rgb(23, 20, 91);
/* oklch */ color: oklch(25.5% 0.121 275.4);

Tailwind

colors: {
  custom: {
    50: '#60528a',
    500: '#17145b',
    950: '#000000',
  },
}

SCSS

$custom: #17145b;
$custom-light: #60528a;
$custom-dark: #000000;

JSON

{
  "hex": "#17145b",
  "rgb": {
    "r": 23,
    "g": 20,
    "b": 91
  },
  "hsl": {
    "h": 242.535,
    "s": 63.964,
    "l": 21.765
  },
  "oklch": {
    "l": 0.25465,
    "c": 0.12116,
    "h": 275.4
  },
  "luminance": 0.01438
}

Semantic roles & 50–950 ramp

primary

#17145B

secondary

#8F9338

accent

#E741E0

background

#F6F4F8

surface

#EBE7F0

border

#C6C3CB

text

#05020C

muted

#7A787D

Preview Lab

Preview with #17145B

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

Preview Lab → · Contrast checker → · Palette generator →