#172170#172170

#172170 is a dark, vivid blue. Relative luminance 0.024; OKLCH L 30.1% C 0.135 H 270.1°. Best body text is #FFFFFF at 14.11:1 contrast (WCAG AA passes).

Color values

HEX	#172170
RGB	rgb(23, 33, 112)
HSL	hsl(233, 66%, 26%)
HSV	hsv(233, 79%, 44%)
CMYK	cmyk(79.5%, 70.5%, 0%, 56.1%)
CIE-LAB	lab(17.64, 26.27, -46.64)
CIE-LCH	lch(17.64, 53.53, 299.39°)
OKLab	oklab(30.06% 0.0001 -0.135)
OKLCH	oklch(30.06% 0.135 270.1)
XYZ	xyz(3.8208, 2.4393, 15.5956)
Luminance	0.0244 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#172170 #706617

analogous

#174E70 #172170 #3A1770

triadic

#172170 #701721 #217017

tetradic

#172170 #70174E #706617 #17703A

square

#172170 #70174E #706617 #17703A

split-complementary

#172170 #703A17 #4E7017

monochromatic

#050719 #0D123D #172170 #2130A3 #2D40D4

Accessibility & contrast

On white

14.11

#172170 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.49

#172170 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #172170

14.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##172170	#FFFFFF	#000000	##FFFFFF
##172170	1.00	14.11	1.49	14.11
#FFFFFF	14.11	1.00	21.00	1.00
#000000	1.49	21.00	1.00	21.00
##FFFFFF	14.11	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003072

Deuteranopia (green-blind)

#00276F

Tritanopia (blue-blind)

#003645

Achromatopsia (no color)

#2B2B2B

Design tokens & code

CSS

--color: #172170;
/* rgb */ color: rgb(23, 33, 112);
/* oklch */ color: oklch(30.1% 0.135 270.1);

Tailwind

colors: {
  custom: {
    50: '#645c9a',
    500: '#172170',
    950: '#000000',
  },
}

SCSS

$custom: #172170;
$custom-light: #645c9a;
$custom-dark: #000000;

JSON

{
  "hex": "#172170",
  "rgb": {
    "r": 23,
    "g": 33,
    "b": 112
  },
  "hsl": {
    "h": 233.258,
    "s": 65.926,
    "l": 26.471
  },
  "oklch": {
    "l": 0.30063,
    "c": 0.13496,
    "h": 270.1
  },
  "luminance": 0.0244
}

Semantic roles & 50–950 ramp

primary

#172170

secondary

#A69A3D

accent

#D63FE9

background

#F6F5F9

surface

#EBE9F2

border

#C6C5CC

text

#06040E

muted

#7A797E

Preview Lab

Preview with #172170

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

Preview Lab → · Contrast checker → · Palette generator →