#172180#172180

#172180 is a dark, vivid blue. Relative luminance 0.028; OKLCH L 31.8% C 0.157 H 269.4°. Best body text is #FFFFFF at 13.41:1 contrast (WCAG AA passes).

Color values

HEX	#172180
RGB	rgb(23, 33, 128)
HSL	hsl(234, 70%, 30%)
HSV	hsv(234, 82%, 50%)
CMYK	cmyk(82%, 74.2%, 0%, 49.8%)
CIE-LAB	lab(19.34, 32.38, -54.09)
CIE-LCH	lch(19.34, 63.04, 300.91°)
OKLab	oklab(31.8% -0.0017 -0.1567)
OKLCH	oklch(31.8% 0.157 269.4)
XYZ	xyz(4.7922, 2.8278, 20.7112)
Luminance	0.0283 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#172180 #807617

analogous

#175580 #172180 #421780

triadic

#172180 #801721 #218017

tetradic

#172180 #801755 #807617 #178042

square

#172180 #801755 #807617 #178042

split-complementary

#172180 #804217 #558017

monochromatic

#05071A #0E144C #172180 #202EB4 #3646DB

Accessibility & contrast

On white

13.41

#172180 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.57

#172180 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #172180

13.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##172180	#FFFFFF	#000000	##FFFFFF
##172180	1.00	13.41	1.57	13.41
#FFFFFF	13.41	1.00	21.00	1.00
#000000	1.57	21.00	1.00	21.00
##FFFFFF	13.41	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003483

Deuteranopia (green-blind)

#002A7E

Tritanopia (blue-blind)

#003C4E

Achromatopsia (no color)

#2F2F2F

Design tokens & code

CSS

--color: #172180;
/* rgb */ color: rgb(23, 33, 128);
/* oklch */ color: oklch(31.8% 0.157 269.4);

Tailwind

colors: {
  custom: {
    50: '#695da6',
    500: '#172180',
    950: '#000000',
  },
}

SCSS

$custom: #172180;
$custom-light: #695da6;
$custom-dark: #000000;

JSON

{
  "hex": "#172180",
  "rgb": {
    "r": 23,
    "g": 33,
    "b": 128
  },
  "hsl": {
    "h": 234.286,
    "s": 69.536,
    "l": 29.608
  },
  "oklch": {
    "l": 0.31801,
    "c": 0.15669,
    "h": 269.4
  },
  "luminance": 0.02828
}

Semantic roles & 50–950 ramp

primary

#172180

secondary

#B4A93E

accent

#DB3BEC

background

#F6F5FA

surface

#ECE9F4

border

#C7C5CE

text

#07040F

muted

#7A797F

Preview Lab

Preview with #172180

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

Preview Lab → · Contrast checker → · Palette generator →