#173E96#173E96

#173E96 is a dark, vivid blue. Relative luminance 0.058; OKLCH L 39.5% C 0.151 H 263.2°. Best body text is #FFFFFF at 9.70:1 contrast (WCAG AA passes).

Color values

HEX	#173E96
RGB	rgb(23, 62, 150)
HSL	hsl(222, 73%, 34%)
HSV	hsv(222, 85%, 59%)
CMYK	cmyk(84.7%, 58.7%, 0%, 41.2%)
CIE-LAB	lab(28.98, 21.35, -51.98)
CIE-LCH	lch(28.98, 56.19, 292.33°)
OKLab	oklab(39.54% -0.018 -0.1502)
OKLCH	oklch(39.54% 0.151 263.2)
XYZ	xyz(7.5790, 5.8285, 29.5738)
Luminance	0.0583 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#173E96 #966F17

analogous

#177E96 #173E96 #301796

triadic

#173E96 #96173E #3E9617

tetradic

#173E96 #96177E #966F17 #179630

square

#173E96 #96177E #966F17 #179630

split-complementary

#173E96 #963017 #7E9617

monochromatic

#07122C #0F2861 #173E96 #1F54CB #4575E2

Accessibility & contrast

On white

9.70

#173E96 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.17

#173E96 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #173E96

9.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##173E96	#FFFFFF	#000000	##FFFFFF
##173E96	1.00	9.70	2.17	9.70
#FFFFFF	9.70	1.00	21.00	1.00
#000000	2.17	21.00	1.00	21.00
##FFFFFF	9.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004A99

Deuteranopia (green-blind)

#003F94

Tritanopia (blue-blind)

#005463

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #173e96;
/* rgb */ color: rgb(23, 62, 150);
/* oklch */ color: oklch(39.5% 0.151 263.2);

Tailwind

colors: {
  custom: {
    50: '#6c72b6',
    500: '#173e96',
    950: '#000000',
  },
}

SCSS

$custom: #173e96;
$custom-light: #6c72b6;
$custom-dark: #000000;

JSON

{
  "hex": "#173e96",
  "rgb": {
    "r": 23,
    "g": 62,
    "b": 150
  },
  "hsl": {
    "h": 221.575,
    "s": 73.41,
    "l": 33.922
  },
  "oklch": {
    "l": 0.39539,
    "c": 0.15131,
    "h": 263.2
  },
  "luminance": 0.05829
}

Semantic roles & 50–950 ramp

primary

#173E96

secondary

#C39D45

accent

#B738F0

background

#F7F6FB

surface

#EDECF6

border

#C8C7D0

text

#080811

muted

#7B7B80

Preview Lab

Preview with #173E96

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

Preview Lab → · Contrast checker → · Palette generator →