#172785#172785

#172785 is a dark, vivid blue. Relative luminance 0.033; OKLCH L 33.4% C 0.157 H 268.2°. Best body text is #FFFFFF at 12.61:1 contrast (WCAG AA passes).

Color values

HEX	#172785
RGB	rgb(23, 39, 133)
HSL	hsl(231, 71%, 31%)
HSV	hsv(231, 83%, 52%)
CMYK	cmyk(82.7%, 70.7%, 0%, 47.8%)
CIE-LAB	lab(21.30, 30.36, -54.01)
CIE-LCH	lch(21.30, 61.95, 299.34°)
OKLab	oklab(33.38% -0.005 -0.1564)
OKLCH	oklch(33.38% 0.157 268.2)
XYZ	xyz(5.3110, 3.3260, 22.5478)
Luminance	0.0333 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#172785 #857517

analogous

#175E85 #172785 #3E1785

triadic

#172785 #851727 #278517

tetradic

#172785 #85175E #857517 #17853E

square

#172785 #85175E #857517 #17853E

split-complementary

#172785 #853E17 #5E8517

monochromatic

#05081D #0E1851 #172785 #2036B9 #3A51DD

Accessibility & contrast

On white

12.61

#172785 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.67

#172785 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #172785

12.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##172785	#FFFFFF	#000000	##FFFFFF
##172785	1.00	12.61	1.67	12.61
#FFFFFF	12.61	1.00	21.00	1.00
#000000	1.67	21.00	1.00	21.00
##FFFFFF	12.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003888

Deuteranopia (green-blind)

#002E83

Tritanopia (blue-blind)

#004152

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #172785;
/* rgb */ color: rgb(23, 39, 133);
/* oklch */ color: oklch(33.4% 0.157 268.2);

Tailwind

colors: {
  custom: {
    50: '#6a61aa',
    500: '#172785',
    950: '#000000',
  },
}

SCSS

$custom: #172785;
$custom-light: #6a61aa;
$custom-dark: #000000;

JSON

{
  "hex": "#172785",
  "rgb": {
    "r": 23,
    "g": 39,
    "b": 133
  },
  "hsl": {
    "h": 231.273,
    "s": 70.513,
    "l": 30.588
  },
  "oklch": {
    "l": 0.33379,
    "c": 0.15653,
    "h": 268.2
  },
  "luminance": 0.03327
}

Semantic roles & 50–950 ramp

primary

#172785

secondary

#B9A73F

accent

#D33BED

background

#F6F5FA

surface

#ECE9F4

border

#C7C5CE

text

#080510

muted

#7A797F

Preview Lab

Preview with #172785

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

Preview Lab → · Contrast checker → · Palette generator →