#17175F#17175F

#17175F is a dark, vivid blue. Relative luminance 0.016; OKLCH L 26.4% C 0.123 H 274.0°. Best body text is #FFFFFF at 15.86:1 contrast (WCAG AA passes).

Color values

HEX	#17175F
RGB	rgb(23, 23, 95)
HSL	hsl(240, 61%, 23%)
HSV	hsv(240, 76%, 37%)
CMYK	cmyk(75.8%, 75.8%, 0%, 62.7%)
CIE-LAB	lab(13.36, 26.49, -42.51)
CIE-LCH	lch(13.36, 50.09, 301.92°)
OKLab	oklab(26.42% 0.0086 -0.1229)
OKLCH	oklch(26.42% 0.123 274)
XYZ	xyz(2.7246, 1.6209, 10.9935)
Luminance	0.0162 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#17175F #5F5F17

analogous

#173B5F #17175F #3B175F

triadic

#17175F #5F1717 #175F17

tetradic

#17175F #5F173B #5F5F17 #175F3B

square

#17175F #5F173B #5F5F17 #175F3B

split-complementary

#17175F #5F3B17 #3B5F17

monochromatic

#060619 #0B0B2E #17175F #232390 #2F2FC2

Accessibility & contrast

On white

15.86

#17175F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.32

#17175F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #17175F

15.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##17175F	#FFFFFF	#000000	##FFFFFF
##17175F	1.00	15.86	1.32	15.86
#FFFFFF	15.86	1.00	21.00	1.00
#000000	1.32	21.00	1.00	21.00
##FFFFFF	15.86	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002661

Deuteranopia (green-blind)

#001F5E

Tritanopia (blue-blind)

#002B39

Achromatopsia (no color)

#222222

Design tokens & code

CSS

--color: #17175f;
/* rgb */ color: rgb(23, 23, 95);
/* oklch */ color: oklch(26.4% 0.123 274.0);

Tailwind

colors: {
  custom: {
    50: '#61548d',
    500: '#17175f',
    950: '#000000',
  },
}

SCSS

$custom: #17175f;
$custom-light: #61548d;
$custom-dark: #000000;

JSON

{
  "hex": "#17175f",
  "rgb": {
    "r": 23,
    "g": 23,
    "b": 95
  },
  "hsl": {
    "h": 240,
    "s": 61.017,
    "l": 23.137
  },
  "oklch": {
    "l": 0.26422,
    "c": 0.12323,
    "h": 274
  },
  "luminance": 0.01621
}

Semantic roles & 50–950 ramp

primary

#17175F

secondary

#96963C

accent

#E444E4

background

#F6F4F8

surface

#EBE7F0

border

#C6C3CB

text

#06030C

muted

#7A787D

Preview Lab

Preview with #17175F

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

Preview Lab → · Contrast checker → · Palette generator →