#173190#173190

#173190 is a dark, vivid blue. Relative luminance 0.044; OKLCH L 36.4% C 0.159 H 266.2°. Best body text is #FFFFFF at 11.18:1 contrast (WCAG AA passes).

Color values

HEX	#173190
RGB	rgb(23, 49, 144)
HSL	hsl(227, 72%, 33%)
HSV	hsv(227, 84%, 56%)
CMYK	cmyk(84%, 66%, 0%, 43.5%)
CIE-LAB	lab(24.93, 27.90, -54.91)
CIE-LCH	lch(24.93, 61.59, 296.93°)
OKLab	oklab(36.36% -0.0106 -0.159)
OKLCH	oklch(36.36% 0.159 266.2)
XYZ	xyz(6.4839, 4.3916, 26.8861)
Luminance	0.0439 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#173190 #907617

analogous

#176E90 #173190 #391790

triadic

#173190 #901731 #319017

tetradic

#173190 #90176E #907617 #179039

square

#173190 #90176E #907617 #179039

split-complementary

#173190 #903917 #6E9017

monochromatic

#060D26 #0F1F5B #173190 #1F43C5 #4163E1

Accessibility & contrast

On white

11.18

#173190 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.88

#173190 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #173190

11.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##173190	#FFFFFF	#000000	##FFFFFF
##173190	1.00	11.18	1.88	11.18
#FFFFFF	11.18	1.00	21.00	1.00
#000000	1.88	21.00	1.00	21.00
##FFFFFF	11.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004193

Deuteranopia (green-blind)

#00368E

Tritanopia (blue-blind)

#004A5C

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #173190;
/* rgb */ color: rgb(23, 49, 144);
/* oklch */ color: oklch(36.4% 0.159 266.2);

Tailwind

colors: {
  custom: {
    50: '#6c69b1',
    500: '#173190',
    950: '#000000',
  },
}

SCSS

$custom: #173190;
$custom-light: #6c69b1;
$custom-dark: #000000;

JSON

{
  "hex": "#173190",
  "rgb": {
    "r": 23,
    "g": 49,
    "b": 144
  },
  "hsl": {
    "h": 227.107,
    "s": 72.455,
    "l": 32.745
  },
  "oklch": {
    "l": 0.36359,
    "c": 0.15937,
    "h": 266.2
  },
  "luminance": 0.04392
}

Semantic roles & 50–950 ramp

primary

#173190

secondary

#C1A642

accent

#C839EF

background

#F7F6FB

surface

#EDEBF6

border

#C8C6D0

text

#080611

muted

#7B7A80

Preview Lab

Preview with #173190

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

Preview Lab → · Contrast checker → · Palette generator →