#173993#173993

#173993 is a dark, vivid blue. Relative luminance 0.052; OKLCH L 38.2% C 0.154 H 264.4°. Best body text is #FFFFFF at 10.28:1 contrast (WCAG AA passes).

Color values

HEX	#173993
RGB	rgb(23, 57, 147)
HSL	hsl(224, 73%, 33%)
HSV	hsv(224, 84%, 58%)
CMYK	cmyk(84.4%, 61.2%, 0%, 42.4%)
CIE-LAB	lab(27.34, 23.60, -52.81)
CIE-LCH	lch(27.34, 57.85, 294.07°)
OKLab	oklab(38.23% -0.015 -0.1528)
OKLCH	oklch(38.23% 0.154 264.4)
XYZ	xyz(7.0811, 5.2141, 28.2313)
Luminance	0.0522 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#173993 #937117

analogous

#177793 #173993 #331793

triadic

#173993 #931739 #399317

tetradic

#173993 #931777 #937117 #179333

square

#173993 #931777 #937117 #179333

split-complementary

#173993 #933317 #779317

monochromatic

#061029 #0F245E #173993 #1F4EC8 #436EE2

Accessibility & contrast

On white

10.28

#173993 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.04

#173993 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #173993

10.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##173993	#FFFFFF	#000000	##FFFFFF
##173993	1.00	10.28	2.04	10.28
#FFFFFF	10.28	1.00	21.00	1.00
#000000	2.04	21.00	1.00	21.00
##FFFFFF	10.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004696

Deuteranopia (green-blind)

#003B91

Tritanopia (blue-blind)

#005060

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #173993;
/* rgb */ color: rgb(23, 57, 147);
/* oklch */ color: oklch(38.2% 0.154 264.4);

Tailwind

colors: {
  custom: {
    50: '#6c6eb4',
    500: '#173993',
    950: '#000000',
  },
}

SCSS

$custom: #173993;
$custom-light: #6c6eb4;
$custom-dark: #000000;

JSON

{
  "hex": "#173993",
  "rgb": {
    "r": 23,
    "g": 57,
    "b": 147
  },
  "hsl": {
    "h": 223.548,
    "s": 72.941,
    "l": 33.333
  },
  "oklch": {
    "l": 0.38231,
    "c": 0.15352,
    "h": 264.4
  },
  "luminance": 0.05215
}

Semantic roles & 50–950 ramp

primary

#173993

secondary

#C2A044

accent

#BD38F0

background

#F7F6FB

surface

#EDECF6

border

#C8C7D0

text

#080711

muted

#7B7A80

Preview Lab

Preview with #173993

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

Preview Lab → · Contrast checker → · Palette generator →