#172879#172879

#172879 is a dark, vivid blue. Relative luminance 0.031; OKLCH L 32.3% C 0.139 H 268.1°. Best body text is #FFFFFF at 13.00:1 contrast (WCAG AA passes).

Color values

HEX	#172879
RGB	rgb(23, 40, 121)
HSL	hsl(230, 68%, 28%)
HSV	hsv(230, 81%, 47%)
CMYK	cmyk(81%, 66.9%, 0%, 52.5%)
CIE-LAB	lab(20.36, 24.98, -47.96)
CIE-LCH	lch(20.36, 54.08, 297.52°)
OKLab	oklab(32.32% -0.0047 -0.1388)
OKLCH	oklch(32.32% 0.139 268.1)
XYZ	xyz(4.5621, 3.0797, 18.4395)
Luminance	0.0308 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#172879 #796817

analogous

#175979 #172879 #371779

triadic

#172879 #791728 #287917

tetradic

#172879 #791759 #796817 #177937

square

#172879 #791759 #796817 #177937

split-complementary

#172879 #793717 #597917

monochromatic

#05081A #0D1746 #172879 #2139AC #324FD8

Accessibility & contrast

On white

13.00

#172879 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.62

#172879 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #172879

13.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##172879	#FFFFFF	#000000	##FFFFFF
##172879	1.00	13.00	1.62	13.00
#FFFFFF	13.00	1.00	21.00	1.00
#000000	1.62	21.00	1.00	21.00
##FFFFFF	13.00	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00367C

Deuteranopia (green-blind)

#002D77

Tritanopia (blue-blind)

#003D4C

Achromatopsia (no color)

#313131

Design tokens & code

CSS

--color: #172879;
/* rgb */ color: rgb(23, 40, 121);
/* oklch */ color: oklch(32.3% 0.139 268.1);

Tailwind

colors: {
  custom: {
    50: '#6661a1',
    500: '#172879',
    950: '#000000',
  },
}

SCSS

$custom: #172879;
$custom-light: #6661a1;
$custom-dark: #000000;

JSON

{
  "hex": "#172879",
  "rgb": {
    "r": 23,
    "g": 40,
    "b": 121
  },
  "hsl": {
    "h": 229.592,
    "s": 68.056,
    "l": 28.235
  },
  "oklch": {
    "l": 0.32324,
    "c": 0.13886,
    "h": 268.1
  },
  "luminance": 0.0308
}

Semantic roles & 50–950 ramp

primary

#172879

secondary

#AE9B3E

accent

#CD3DEB

background

#F6F5FA

surface

#EBEAF3

border

#C6C6CD

text

#07050F

muted

#7A797F

Preview Lab

Preview with #172879

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

Preview Lab → · Contrast checker → · Palette generator →