#172590#172590

#172590 is a dark, vivid blue. Relative luminance 0.035; OKLCH L 34.2% C 0.173 H 268.2°. Best body text is #FFFFFF at 12.33:1 contrast (WCAG AA passes).

Color values

HEX	#172590
RGB	rgb(23, 37, 144)
HSL	hsl(233, 72%, 33%)
HSV	hsv(233, 84%, 56%)
CMYK	cmyk(84%, 74.3%, 0%, 43.5%)
CIE-LAB	lab(22.01, 35.77, -59.71)
CIE-LCH	lch(22.01, 69.61, 300.92°)
OKLab	oklab(34.24% -0.0053 -0.173)
OKLCH	oklch(34.24% 0.173 268.2)
XYZ	xyz(6.0472, 3.5182, 26.7405)
Luminance	0.0352 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#172590 #908217

analogous

#176190 #172590 #461790

triadic

#172590 #901725 #259017

tetradic

#172590 #901761 #908217 #179046

square

#172590 #901761 #908217 #179046

split-complementary

#172590 #904617 #619017

monochromatic

#060A26 #0F175B #172590 #1F33C5 #4153E1

Accessibility & contrast

On white

12.33

#172590 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.70

#172590 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #172590

12.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##172590	#FFFFFF	#000000	##FFFFFF
##172590	1.00	12.33	1.70	12.33
#FFFFFF	12.33	1.00	21.00	1.00
#000000	1.70	21.00	1.00	21.00
##FFFFFF	12.33	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003B93

Deuteranopia (green-blind)

#002F8E

Tritanopia (blue-blind)

#004458

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #172590;
/* rgb */ color: rgb(23, 37, 144);
/* oklch */ color: oklch(34.2% 0.173 268.2);

Tailwind

colors: {
  custom: {
    50: '#6d60b2',
    500: '#172590',
    950: '#000000',
  },
}

SCSS

$custom: #172590;
$custom-light: #6d60b2;
$custom-dark: #000000;

JSON

{
  "hex": "#172590",
  "rgb": {
    "r": 23,
    "g": 37,
    "b": 144
  },
  "hsl": {
    "h": 233.058,
    "s": 72.455,
    "l": 32.745
  },
  "oklch": {
    "l": 0.34239,
    "c": 0.17313,
    "h": 268.2
  },
  "luminance": 0.03519
}

Semantic roles & 50–950 ramp

primary

#172590

secondary

#C1B242

accent

#DA39EF

background

#F7F5FB

surface

#EDE9F6

border

#C8C5D0

text

#080511

muted

#7B7980

Preview Lab

Preview with #172590

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

Preview Lab → · Contrast checker → · Palette generator →