#173085#173085

#173085 is a dark, vivid blue. Relative luminance 0.040; OKLCH L 35.1% C 0.146 H 266.1°. Best body text is #FFFFFF at 11.68:1 contrast (WCAG AA passes).

Color values

HEX	#173085
RGB	rgb(23, 48, 133)
HSL	hsl(226, 71%, 31%)
HSV	hsv(226, 83%, 52%)
CMYK	cmyk(82.7%, 63.9%, 0%, 47.8%)
CIE-LAB	lab(23.63, 24.21, -50.18)
CIE-LCH	lch(23.63, 55.72, 295.76°)
OKLab	oklab(35.09% -0.0098 -0.1452)
OKLCH	oklch(35.09% 0.146 266.1)
XYZ	xyz(5.6425, 3.9889, 22.6583)
Luminance	0.0399 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#173085 #856C17

analogous

#176785 #173085 #351785

triadic

#173085 #851730 #308517

tetradic

#173085 #851767 #856C17 #178535

square

#173085 #851767 #856C17 #178535

split-complementary

#173085 #853517 #678517

monochromatic

#050A1D #0E1D51 #173085 #2043B9 #3A5FDD

Accessibility & contrast

On white

11.68

#173085 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.80

#173085 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #173085

11.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##173085	#FFFFFF	#000000	##FFFFFF
##173085	1.00	11.68	1.80	11.68
#FFFFFF	11.68	1.00	21.00	1.00
#000000	1.80	21.00	1.00	21.00
##FFFFFF	11.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003E88

Deuteranopia (green-blind)

#003383

Tritanopia (blue-blind)

#004655

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #173085;
/* rgb */ color: rgb(23, 48, 133);
/* oklch */ color: oklch(35.1% 0.146 266.1);

Tailwind

colors: {
  custom: {
    50: '#6968a9',
    500: '#173085',
    950: '#000000',
  },
}

SCSS

$custom: #173085;
$custom-light: #6968a9;
$custom-dark: #000000;

JSON

{
  "hex": "#173085",
  "rgb": {
    "r": 23,
    "g": 48,
    "b": 133
  },
  "hsl": {
    "h": 226.364,
    "s": 70.513,
    "l": 30.588
  },
  "oklch": {
    "l": 0.35089,
    "c": 0.14553,
    "h": 266.1
  },
  "luminance": 0.0399
}

Semantic roles & 50–950 ramp

primary

#173085

secondary

#B99D3F

accent

#C53BED

background

#F6F6FA

surface

#ECEBF4

border

#C7C6CE

text

#070610

muted

#7A7A7F

Preview Lab

Preview with #173085

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

Preview Lab → · Contrast checker → · Palette generator →