#173090#173090

#173090 is a dark, vivid blue. Relative luminance 0.043; OKLCH L 36.2% C 0.161 H 266.4°. Best body text is #FFFFFF at 11.28:1 contrast (WCAG AA passes).

Color values

HEX	#173090
RGB	rgb(23, 48, 144)
HSL	hsl(228, 72%, 33%)
HSV	hsv(228, 84%, 56%)
CMYK	cmyk(84%, 66.7%, 0%, 43.5%)
CIE-LAB	lab(24.67, 28.58, -55.34)
CIE-LCH	lch(24.67, 62.28, 297.31°)
OKLab	oklab(36.17% -0.0101 -0.1603)
OKLCH	oklch(36.17% 0.161 266.4)
XYZ	xyz(6.4426, 4.3089, 26.8723)
Luminance	0.0431 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#173090 #907717

analogous

#176D90 #173090 #3A1790

triadic

#173090 #901730 #309017

tetradic

#173090 #90176D #907717 #17903A

square

#173090 #90176D #907717 #17903A

split-complementary

#173090 #903A17 #6D9017

monochromatic

#060D26 #0F1E5B #173090 #1F42C5 #4162E1

Accessibility & contrast

On white

11.28

#173090 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.86

#173090 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #173090

11.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##173090	#FFFFFF	#000000	##FFFFFF
##173090	1.00	11.28	1.86	11.28
#FFFFFF	11.28	1.00	21.00	1.00
#000000	1.86	21.00	1.00	21.00
##FFFFFF	11.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004093

Deuteranopia (green-blind)

#00358E

Tritanopia (blue-blind)

#004A5B

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #173090;
/* rgb */ color: rgb(23, 48, 144);
/* oklch */ color: oklch(36.2% 0.161 266.4);

Tailwind

colors: {
  custom: {
    50: '#6c68b1',
    500: '#173090',
    950: '#000000',
  },
}

SCSS

$custom: #173090;
$custom-light: #6c68b1;
$custom-dark: #000000;

JSON

{
  "hex": "#173090",
  "rgb": {
    "r": 23,
    "g": 48,
    "b": 144
  },
  "hsl": {
    "h": 227.603,
    "s": 72.455,
    "l": 32.745
  },
  "oklch": {
    "l": 0.36168,
    "c": 0.16059,
    "h": 266.4
  },
  "luminance": 0.0431
}

Semantic roles & 50–950 ramp

primary

#173090

secondary

#C1A742

accent

#C939EF

background

#F7F6FB

surface

#EDEBF6

border

#C8C6D0

text

#080611

muted

#7B7A80

Preview Lab

Preview with #173090

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

Preview Lab → · Contrast checker → · Palette generator →