#172470#172470

#172470 is a dark, vivid blue. Relative luminance 0.026; OKLCH L 30.6% C 0.131 H 269.2°. Best body text is #FFFFFF at 13.79:1 contrast (WCAG AA passes).

Color values

HEX	#172470
RGB	rgb(23, 36, 112)
HSL	hsl(231, 66%, 26%)
HSV	hsv(231, 79%, 44%)
CMYK	cmyk(79.5%, 67.9%, 0%, 56.1%)
CIE-LAB	lab(18.42, 24.19, -45.36)
CIE-LCH	lch(18.42, 51.41, 298.08°)
OKLab	oklab(30.63% -0.0018 -0.1312)
OKLCH	oklch(30.63% 0.131 269.2)
XYZ	xyz(3.9078, 2.6133, 15.6246)
Luminance	0.0261 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#172470 #706317

analogous

#175170 #172470 #371770

triadic

#172470 #701724 #247017

tetradic

#172470 #701751 #706317 #177037

square

#172470 #701751 #706317 #177037

split-complementary

#172470 #703717 #517017

monochromatic

#050819 #0D143D #172470 #2134A3 #2D46D4

Accessibility & contrast

On white

13.79

#172470 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.52

#172470 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #172470

13.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##172470	#FFFFFF	#000000	##FFFFFF
##172470	1.00	13.79	1.52	13.79
#FFFFFF	13.79	1.00	21.00	1.00
#000000	1.52	21.00	1.00	21.00
##FFFFFF	13.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003172

Deuteranopia (green-blind)

#00296F

Tritanopia (blue-blind)

#003846

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #172470;
/* rgb */ color: rgb(23, 36, 112);
/* oklch */ color: oklch(30.6% 0.131 269.2);

Tailwind

colors: {
  custom: {
    50: '#645e9a',
    500: '#172470',
    950: '#000000',
  },
}

SCSS

$custom: #172470;
$custom-light: #645e9a;
$custom-dark: #000000;

JSON

{
  "hex": "#172470",
  "rgb": {
    "r": 23,
    "g": 36,
    "b": 112
  },
  "hsl": {
    "h": 231.236,
    "s": 65.926,
    "l": 26.471
  },
  "oklch": {
    "l": 0.30634,
    "c": 0.1312,
    "h": 269.2
  },
  "luminance": 0.02614
}

Semantic roles & 50–950 ramp

primary

#172470

secondary

#A6963D

accent

#D03FE9

background

#F6F5F9

surface

#EBE9F2

border

#C6C5CC

text

#06040E

muted

#7A797E

Preview Lab

Preview with #172470

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

Preview Lab → · Contrast checker → · Palette generator →