#173490#173490

#173490 is a dark, vivid blue. Relative luminance 0.047; OKLCH L 36.9% C 0.156 H 265.5°. Best body text is #FFFFFF at 10.88:1 contrast (WCAG AA passes).

Color values

HEX	#173490
RGB	rgb(23, 52, 144)
HSL	hsl(226, 72%, 33%)
HSV	hsv(226, 84%, 56%)
CMYK	cmyk(84%, 63.9%, 0%, 43.5%)
CIE-LAB	lab(25.72, 25.84, -53.62)
CIE-LCH	lch(25.72, 59.52, 295.73°)
OKLab	oklab(36.94% -0.0122 -0.1552)
OKLCH	oklch(36.94% 0.156 265.5)
XYZ	xyz(6.6136, 4.6510, 26.9293)
Luminance	0.0465 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#173490 #907317

analogous

#177090 #173490 #371790

triadic

#173490 #901734 #349017

tetradic

#173490 #901770 #907317 #179037

square

#173490 #901770 #907317 #179037

split-complementary

#173490 #903717 #709017

monochromatic

#060E26 #0F215B #173490 #1F47C5 #4167E1

Accessibility & contrast

On white

10.88

#173490 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.93

#173490 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #173490

10.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##173490	#FFFFFF	#000000	##FFFFFF
##173490	1.00	10.88	1.93	10.88
#FFFFFF	10.88	1.00	21.00	1.00
#000000	1.93	21.00	1.00	21.00
##FFFFFF	10.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004393

Deuteranopia (green-blind)

#00378E

Tritanopia (blue-blind)

#004C5D

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #173490;
/* rgb */ color: rgb(23, 52, 144);
/* oklch */ color: oklch(36.9% 0.156 265.5);

Tailwind

colors: {
  custom: {
    50: '#6b6bb1',
    500: '#173490',
    950: '#000000',
  },
}

SCSS

$custom: #173490;
$custom-light: #6b6bb1;
$custom-dark: #000000;

JSON

{
  "hex": "#173490",
  "rgb": {
    "r": 23,
    "g": 52,
    "b": 144
  },
  "hsl": {
    "h": 225.62,
    "s": 72.455,
    "l": 32.745
  },
  "oklch": {
    "l": 0.36943,
    "c": 0.15568,
    "h": 265.5
  },
  "luminance": 0.04652
}

Semantic roles & 50–950 ramp

primary

#173490

secondary

#C1A342

accent

#C339EF

background

#F7F6FB

surface

#EDEBF6

border

#C8C6D0

text

#080611

muted

#7B7A80

Preview Lab

Preview with #173490

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

Preview Lab → · Contrast checker → · Palette generator →