#173484#173484

#173484 is a dark, vivid blue. Relative luminance 0.043; OKLCH L 35.8% C 0.139 H 264.9°. Best body text is #FFFFFF at 11.29:1 contrast (WCAG AA passes).

Color values

HEX	#173484
RGB	rgb(23, 52, 132)
HSL	hsl(224, 70%, 30%)
HSV	hsv(224, 83%, 52%)
CMYK	cmyk(82.6%, 60.6%, 0%, 48.2%)
CIE-LAB	lab(24.65, 21.01, -47.90)
CIE-LCH	lch(24.65, 52.30, 293.68°)
OKLab	oklab(35.82% -0.0124 -0.1384)
OKLCH	oklch(35.82% 0.139 264.9)
XYZ	xyz(5.7447, 4.3034, 22.3532)
Luminance	0.0430 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#173484 #846717

analogous

#176A84 #173484 #311784

triadic

#173484 #841734 #348417

tetradic

#173484 #84176A #846717 #178431

square

#173484 #84176A #846717 #178431

split-complementary

#173484 #843117 #6A8417

monochromatic

#050B1C #0E1F50 #173484 #2049B8 #3964DC

Accessibility & contrast

On white

11.29

#173484 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.86

#173484 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #173484

11.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##173484	#FFFFFF	#000000	##FFFFFF
##173484	1.00	11.29	1.86	11.29
#FFFFFF	11.29	1.00	21.00	1.00
#000000	1.86	21.00	1.00	21.00
##FFFFFF	11.29	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004087

Deuteranopia (green-blind)

#003682

Tritanopia (blue-blind)

#004856

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #173484;
/* rgb */ color: rgb(23, 52, 132);
/* oklch */ color: oklch(35.8% 0.139 264.9);

Tailwind

colors: {
  custom: {
    50: '#686ba8',
    500: '#173484',
    950: '#000000',
  },
}

SCSS

$custom: #173484;
$custom-light: #686ba8;
$custom-dark: #000000;

JSON

{
  "hex": "#173484",
  "rgb": {
    "r": 23,
    "g": 52,
    "b": 132
  },
  "hsl": {
    "h": 224.037,
    "s": 70.323,
    "l": 30.392
  },
  "oklch": {
    "l": 0.35818,
    "c": 0.139,
    "h": 264.9
  },
  "luminance": 0.04304
}

Semantic roles & 50–950 ramp

primary

#173484

secondary

#B8983F

accent

#BE3BED

background

#F6F6FA

surface

#ECEBF4

border

#C7C6CE

text

#070610

muted

#7A7A7F

Preview Lab

Preview with #173484

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

Preview Lab → · Contrast checker → · Palette generator →