#17185B#17185B

#17185B is a dark, moderate blue. Relative luminance 0.016; OKLCH L 26.2% C 0.116 H 274.2°. Best body text is #FFFFFF at 15.93:1 contrast (WCAG AA passes).

Color values

HEX	#17185B
RGB	rgb(23, 24, 91)
HSL	hsl(239, 60%, 22%)
HSV	hsv(239, 75%, 36%)
CMYK	cmyk(74.7%, 73.6%, 0%, 64.3%)
CIE-LAB	lab(13.17, 24.29, -40.14)
CIE-LCH	lch(13.17, 46.91, 301.17°)
OKLab	oklab(26.16% 0.0085 -0.116)
OKLCH	oklch(26.16% 0.116 274.2)
XYZ	xyz(2.5677, 1.5905, 10.0672)
Luminance	0.0159 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#17185B #5B5A17

analogous

#173A5B #17185B #38175B

triadic

#17185B #5B1718 #185B17

tetradic

#17185B #5B173A #5B5A17 #175B38

square

#17185B #5B173A #5B5A17 #175B38

split-complementary

#17185B #5B3817 #3A5B17

monochromatic

#060618 #0B0B2A #17185B #23258C #3032BD

Accessibility & contrast

On white

15.93

#17185B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.32

#17185B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #17185B

15.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##17185B	#FFFFFF	#000000	##FFFFFF
##17185B	1.00	15.93	1.32	15.93
#FFFFFF	15.93	1.00	21.00	1.00
#000000	1.32	21.00	1.00	21.00
##FFFFFF	15.93	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00255D

Deuteranopia (green-blind)

#001F5A

Tritanopia (blue-blind)

#002A37

Achromatopsia (no color)

#222222

Design tokens & code

CSS

--color: #17185b;
/* rgb */ color: rgb(23, 24, 91);
/* oklch */ color: oklch(26.2% 0.116 274.2);

Tailwind

colors: {
  custom: {
    50: '#5f558a',
    500: '#17185b',
    950: '#000000',
  },
}

SCSS

$custom: #17185b;
$custom-light: #5f558a;
$custom-dark: #000000;

JSON

{
  "hex": "#17185b",
  "rgb": {
    "r": 23,
    "g": 24,
    "b": 91
  },
  "hsl": {
    "h": 239.118,
    "s": 59.649,
    "l": 22.353
  },
  "oklch": {
    "l": 0.26159,
    "c": 0.1163,
    "h": 274.2
  },
  "luminance": 0.01591
}

Semantic roles & 50–950 ramp

primary

#17185B

secondary

#92913C

accent

#E045E3

background

#F6F4F8

surface

#EBE8F0

border

#C6C4CB

text

#05030C

muted

#7A787D

Preview Lab

Preview with #17185B

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

Preview Lab → · Contrast checker → · Palette generator →