#173594#173594

#173594 is a dark, vivid blue. Relative luminance 0.049; OKLCH L 37.5% C 0.160 H 265.4°. Best body text is #FFFFFF at 10.64:1 contrast (WCAG AA passes).

Color values

HEX	#173594
RGB	rgb(23, 53, 148)
HSL	hsl(226, 73%, 34%)
HSV	hsv(226, 84%, 58%)
CMYK	cmyk(84.5%, 64.2%, 0%, 42%)
CIE-LAB	lab(26.35, 26.75, -55.05)
CIE-LCH	lch(26.35, 61.20, 295.91°)
OKLab	oklab(37.52% -0.0128 -0.1594)
OKLCH	oklch(37.52% 0.16 265.4)
XYZ	xyz(6.9699, 4.8656, 28.5830)
Luminance	0.0487 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#173594 #947617

analogous

#177394 #173594 #371794

triadic

#173594 #941735 #359417

tetradic

#173594 #941773 #947617 #179437

square

#173594 #941773 #947617 #179437

split-complementary

#173594 #943717 #739417

monochromatic

#070F2A #0F225F #173594 #1F48C9 #446AE2

Accessibility & contrast

On white

10.64

#173594 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.97

#173594 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #173594

10.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##173594	#FFFFFF	#000000	##FFFFFF
##173594	1.00	10.64	1.97	10.64
#FFFFFF	10.64	1.00	21.00	1.00
#000000	1.97	21.00	1.00	21.00
##FFFFFF	10.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004497

Deuteranopia (green-blind)

#003992

Tritanopia (blue-blind)

#004E5F

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #173594;
/* rgb */ color: rgb(23, 53, 148);
/* oklch */ color: oklch(37.5% 0.160 265.4);

Tailwind

colors: {
  custom: {
    50: '#6c6cb4',
    500: '#173594',
    950: '#000000',
  },
}

SCSS

$custom: #173594;
$custom-light: #6c6cb4;
$custom-dark: #000000;

JSON

{
  "hex": "#173594",
  "rgb": {
    "r": 23,
    "g": 53,
    "b": 148
  },
  "hsl": {
    "h": 225.6,
    "s": 73.099,
    "l": 33.529
  },
  "oklch": {
    "l": 0.37524,
    "c": 0.15988,
    "h": 265.4
  },
  "luminance": 0.04866
}

Semantic roles & 50–950 ramp

primary

#173594

secondary

#C3A444

accent

#C438F0

background

#F7F6FB

surface

#EDEBF6

border

#C8C6D0

text

#080611

muted

#7B7A80

Preview Lab

Preview with #173594

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

Preview Lab → · Contrast checker → · Palette generator →