#172585#172585

#172585 is a dark, vivid blue. Relative luminance 0.032; OKLCH L 33.0% C 0.159 H 268.5°. Best body text is #FFFFFF at 12.81:1 contrast (WCAG AA passes).

Color values

HEX	#172585
RGB	rgb(23, 37, 133)
HSL	hsl(232, 71%, 31%)
HSV	hsv(232, 83%, 52%)
CMYK	cmyk(82.7%, 72.2%, 0%, 47.8%)
CIE-LAB	lab(20.82, 31.68, -54.80)
CIE-LCH	lch(20.82, 63.30, 300.03°)
OKLab	oklab(33.03% -0.004 -0.1588)
OKLCH	oklch(33.03% 0.159 268.5)
XYZ	xyz(5.2471, 3.1981, 22.5265)
Luminance	0.0320 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#172585 #857717

analogous

#175C85 #172585 #401785

triadic

#172585 #851725 #258517

tetradic

#172585 #85175C #857717 #178540

square

#172585 #85175C #857717 #178540

split-complementary

#172585 #854017 #5C8517

monochromatic

#05081D #0E1651 #172585 #2034B9 #3A4EDD

Accessibility & contrast

On white

12.81

#172585 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.64

#172585 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #172585

12.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##172585	#FFFFFF	#000000	##FFFFFF
##172585	1.00	12.81	1.64	12.81
#FFFFFF	12.81	1.00	21.00	1.00
#000000	1.64	21.00	1.00	21.00
##FFFFFF	12.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003788

Deuteranopia (green-blind)

#002D83

Tritanopia (blue-blind)

#004052

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #172585;
/* rgb */ color: rgb(23, 37, 133);
/* oklch */ color: oklch(33.0% 0.159 268.5);

Tailwind

colors: {
  custom: {
    50: '#6a60aa',
    500: '#172585',
    950: '#000000',
  },
}

SCSS

$custom: #172585;
$custom-light: #6a60aa;
$custom-dark: #000000;

JSON

{
  "hex": "#172585",
  "rgb": {
    "r": 23,
    "g": 37,
    "b": 133
  },
  "hsl": {
    "h": 232.364,
    "s": 70.513,
    "l": 30.588
  },
  "oklch": {
    "l": 0.33028,
    "c": 0.15882,
    "h": 268.5
  },
  "luminance": 0.03199
}

Semantic roles & 50–950 ramp

primary

#172585

secondary

#B9A93F

accent

#D73BED

background

#F6F5FA

surface

#ECE9F4

border

#C7C5CE

text

#080510

muted

#7A797F

Preview Lab

Preview with #172585

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

Preview Lab → · Contrast checker → · Palette generator →