#172670#172670

#172670 is a dark, vivid blue. Relative luminance 0.027; OKLCH L 31.0% C 0.129 H 268.6°. Best body text is #FFFFFF at 13.57:1 contrast (WCAG AA passes).

Color values

HEX	#172670
RGB	rgb(23, 38, 112)
HSL	hsl(230, 66%, 26%)
HSV	hsv(230, 79%, 44%)
CMYK	cmyk(79.5%, 66.1%, 0%, 56.1%)
CIE-LAB	lab(18.96, 22.79, -44.48)
CIE-LCH	lch(18.96, 49.97, 297.13°)
OKLab	oklab(31.03% -0.0031 -0.1286)
OKLCH	oklch(31.03% 0.129 268.6)
XYZ	xyz(3.9701, 2.7378, 15.6453)
Luminance	0.0274 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#172670 #706117

analogous

#175370 #172670 #351770

triadic

#172670 #701726 #267017

tetradic

#172670 #701753 #706117 #177035

square

#172670 #701753 #706117 #177035

split-complementary

#172670 #703517 #537017

monochromatic

#050919 #0D153D #172670 #2137A3 #2D4AD4

Accessibility & contrast

On white

13.57

#172670 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.55

#172670 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #172670

13.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##172670	#FFFFFF	#000000	##FFFFFF
##172670	1.00	13.57	1.55	13.57
#FFFFFF	13.57	1.00	21.00	1.00
#000000	1.55	21.00	1.00	21.00
##FFFFFF	13.57	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003272

Deuteranopia (green-blind)

#002A6F

Tritanopia (blue-blind)

#003947

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #172670;
/* rgb */ color: rgb(23, 38, 112);
/* oklch */ color: oklch(31.0% 0.129 268.6);

Tailwind

colors: {
  custom: {
    50: '#64609a',
    500: '#172670',
    950: '#000000',
  },
}

SCSS

$custom: #172670;
$custom-light: #64609a;
$custom-dark: #000000;

JSON

{
  "hex": "#172670",
  "rgb": {
    "r": 23,
    "g": 38,
    "b": 112
  },
  "hsl": {
    "h": 229.888,
    "s": 65.926,
    "l": 26.471
  },
  "oklch": {
    "l": 0.31029,
    "c": 0.12863,
    "h": 268.6
  },
  "luminance": 0.02738
}

Semantic roles & 50–950 ramp

primary

#172670

secondary

#A6943D

accent

#CC3FE9

background

#F6F5F9

surface

#EBE9F2

border

#C6C5CC

text

#06040E

muted

#7A797E

Preview Lab

Preview with #172670

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

Preview Lab → · Contrast checker → · Palette generator →