#17175E#17175E

#17175E is a dark, vivid blue. Relative luminance 0.016; OKLCH L 26.3% C 0.122 H 274.1°. Best body text is #FFFFFF at 15.90:1 contrast (WCAG AA passes).

Color values

HEX	#17175E
RGB	rgb(23, 23, 94)
HSL	hsl(240, 61%, 23%)
HSV	hsv(240, 76%, 37%)
CMYK	cmyk(75.5%, 75.5%, 0%, 63.1%)
CIE-LAB	lab(13.25, 26.11, -42.03)
CIE-LCH	lch(13.25, 49.48, 301.85°)
OKLab	oklab(26.31% 0.0088 -0.1215)
OKLCH	oklch(26.31% 0.122 274.1)
XYZ	xyz(2.6795, 1.6028, 10.7557)
Luminance	0.0160 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#17175E #5E5E17

analogous

#173A5E #17175E #3A175E

triadic

#17175E #5E1717 #175E17

tetradic

#17175E #5E173A #5E5E17 #175E3A

square

#17175E #5E173A #5E5E17 #175E3A

split-complementary

#17175E #5E3A17 #3A5E17

monochromatic

#060619 #0B0B2D #17175E #23238F #2F2FC0

Accessibility & contrast

On white

15.90

#17175E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.32

#17175E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #17175E

15.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##17175E	#FFFFFF	#000000	##FFFFFF
##17175E	1.00	15.90	1.32	15.90
#FFFFFF	15.90	1.00	21.00	1.00
#000000	1.32	21.00	1.00	21.00
##FFFFFF	15.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002560

Deuteranopia (green-blind)

#001F5D

Tritanopia (blue-blind)

#002B38

Achromatopsia (no color)

#222222

Design tokens & code

CSS

--color: #17175e;
/* rgb */ color: rgb(23, 23, 94);
/* oklch */ color: oklch(26.3% 0.122 274.1);

Tailwind

colors: {
  custom: {
    50: '#60548c',
    500: '#17175e',
    950: '#000000',
  },
}

SCSS

$custom: #17175e;
$custom-light: #60548c;
$custom-dark: #000000;

JSON

{
  "hex": "#17175e",
  "rgb": {
    "r": 23,
    "g": 23,
    "b": 94
  },
  "hsl": {
    "h": 240,
    "s": 60.684,
    "l": 22.941
  },
  "oklch": {
    "l": 0.2631,
    "c": 0.12182,
    "h": 274.1
  },
  "luminance": 0.01603
}

Semantic roles & 50–950 ramp

primary

#17175E

secondary

#95953C

accent

#E444E4

background

#F6F4F8

surface

#EBE7F0

border

#C6C3CB

text

#05030C

muted

#7A787D

Preview Lab

Preview with #17175E

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

Preview Lab → · Contrast checker → · Palette generator →