#173175#173175

#173175 is a dark, vivid blue. Relative luminance 0.037; OKLCH L 33.8% C 0.121 H 264.8°. Best body text is #FFFFFF at 12.12:1 contrast (WCAG AA passes).

Color values

HEX	#173175
RGB	rgb(23, 49, 117)
HSL	hsl(223, 67%, 27%)
HSV	hsv(223, 80%, 46%)
CMYK	cmyk(80.3%, 58.1%, 0%, 54.1%)
CIE-LAB	lab(22.52, 16.97, -41.88)
CIE-LCH	lch(22.52, 45.19, 292.06°)
OKLab	oklab(33.82% -0.0111 -0.1208)
OKLCH	oklch(33.82% 0.121 264.8)
XYZ	xyz(4.6614, 3.6626, 17.2875)
Luminance	0.0366 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#173175 #755B17

analogous

#176075 #173175 #2C1775

triadic

#173175 #751731 #317517

tetradic

#173175 #751760 #755B17 #17752C

square

#173175 #751760 #755B17 #17752C

split-complementary

#173175 #752C17 #607517

monochromatic

#050B1A #0D1C42 #173175 #2146A8 #305ED6

Accessibility & contrast

On white

12.12

#173175 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.73

#173175 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #173175

12.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##173175	#FFFFFF	#000000	##FFFFFF
##173175	1.00	12.12	1.73	12.12
#FFFFFF	12.12	1.00	21.00	1.00
#000000	1.73	21.00	1.00	21.00
##FFFFFF	12.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003A77

Deuteranopia (green-blind)

#003274

Tritanopia (blue-blind)

#00424E

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #173175;
/* rgb */ color: rgb(23, 49, 117);
/* oklch */ color: oklch(33.8% 0.121 264.8);

Tailwind

colors: {
  custom: {
    50: '#64689d',
    500: '#173175',
    950: '#000000',
  },
}

SCSS

$custom: #173175;
$custom-light: #64689d;
$custom-dark: #000000;

JSON

{
  "hex": "#173175",
  "rgb": {
    "r": 23,
    "g": 49,
    "b": 117
  },
  "hsl": {
    "h": 223.404,
    "s": 67.143,
    "l": 27.451
  },
  "oklch": {
    "l": 0.33824,
    "c": 0.12132,
    "h": 264.8
  },
  "luminance": 0.03663
}

Semantic roles & 50–950 ramp

primary

#173175

secondary

#AA8C3D

accent

#BA3EEA

background

#F6F6F9

surface

#EBEBF2

border

#C6C6CC

text

#06060E

muted

#7A7A7E

Preview Lab

Preview with #173175

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

Preview Lab → · Contrast checker → · Palette generator →