#172885#172885

#172885 is a dark, vivid blue. Relative luminance 0.034; OKLCH L 33.6% C 0.155 H 268.0°. Best body text is #FFFFFF at 12.51:1 contrast (WCAG AA passes).

Color values

HEX	#172885
RGB	rgb(23, 40, 133)
HSL	hsl(231, 71%, 31%)
HSV	hsv(231, 83%, 52%)
CMYK	cmyk(82.7%, 69.9%, 0%, 47.8%)
CIE-LAB	lab(21.55, 29.69, -53.60)
CIE-LCH	lch(21.55, 61.27, 298.98°)
OKLab	oklab(33.56% -0.0054 -0.1553)
OKLCH	oklch(33.56% 0.155 268)
XYZ	xyz(5.3443, 3.3926, 22.5589)
Luminance	0.0339 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#172885 #857417

analogous

#175F85 #172885 #3D1785

triadic

#172885 #851728 #288517

tetradic

#172885 #85175F #857417 #17853D

square

#172885 #85175F #857417 #17853D

split-complementary

#172885 #853D17 #5F8517

monochromatic

#05091D #0E1851 #172885 #2038B9 #3A53DD

Accessibility & contrast

On white

12.51

#172885 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.68

#172885 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #172885

12.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##172885	#FFFFFF	#000000	##FFFFFF
##172885	1.00	12.51	1.68	12.51
#FFFFFF	12.51	1.00	21.00	1.00
#000000	1.68	21.00	1.00	21.00
##FFFFFF	12.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003988

Deuteranopia (green-blind)

#002E83

Tritanopia (blue-blind)

#004253

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #172885;
/* rgb */ color: rgb(23, 40, 133);
/* oklch */ color: oklch(33.6% 0.155 268.0);

Tailwind

colors: {
  custom: {
    50: '#6962a9',
    500: '#172885',
    950: '#000000',
  },
}

SCSS

$custom: #172885;
$custom-light: #6962a9;
$custom-dark: #000000;

JSON

{
  "hex": "#172885",
  "rgb": {
    "r": 23,
    "g": 40,
    "b": 133
  },
  "hsl": {
    "h": 230.727,
    "s": 70.513,
    "l": 30.588
  },
  "oklch": {
    "l": 0.33559,
    "c": 0.15536,
    "h": 268
  },
  "luminance": 0.03393
}

Semantic roles & 50–950 ramp

primary

#172885

secondary

#B9A63F

accent

#D23BED

background

#F6F5FA

surface

#ECEAF4

border

#C7C6CE

text

#080510

muted

#7A797F

Preview Lab

Preview with #172885

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

Preview Lab → · Contrast checker → · Palette generator →