#173079#173079

#173079 is a dark, vivid blue. Relative luminance 0.037; OKLCH L 34.0% C 0.128 H 265.5°. Best body text is #FFFFFF at 12.10:1 contrast (WCAG AA passes).

Color values

HEX	#173079
RGB	rgb(23, 48, 121)
HSL	hsl(225, 68%, 28%)
HSV	hsv(225, 81%, 47%)
CMYK	cmyk(81%, 60.3%, 0%, 52.5%)
CIE-LAB	lab(22.57, 19.34, -44.35)
CIE-LCH	lch(22.57, 48.38, 293.56°)
OKLab	oklab(33.97% -0.0101 -0.1281)
OKLCH	oklch(33.97% 0.128 265.5)
XYZ	xyz(4.8603, 3.6760, 18.5388)
Luminance	0.0368 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#173079 #796017

analogous

#176179 #173079 #2F1779

triadic

#173079 #791730 #307917

tetradic

#173079 #791761 #796017 #17792F

square

#173079 #791761 #796017 #17792F

split-complementary

#173079 #792F17 #617917

monochromatic

#050A1A #0D1C46 #173079 #2144AC #325DD8

Accessibility & contrast

On white

12.10

#173079 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.74

#173079 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #173079

12.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##173079	#FFFFFF	#000000	##FFFFFF
##173079	1.00	12.10	1.74	12.10
#FFFFFF	12.10	1.00	21.00	1.00
#000000	1.74	21.00	1.00	21.00
##FFFFFF	12.10	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003B7B

Deuteranopia (green-blind)

#003278

Tritanopia (blue-blind)

#00424F

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #173079;
/* rgb */ color: rgb(23, 48, 121);
/* oklch */ color: oklch(34.0% 0.128 265.5);

Tailwind

colors: {
  custom: {
    50: '#6567a0',
    500: '#173079',
    950: '#000000',
  },
}

SCSS

$custom: #173079;
$custom-light: #6567a0;
$custom-dark: #000000;

JSON

{
  "hex": "#173079",
  "rgb": {
    "r": 23,
    "g": 48,
    "b": 121
  },
  "hsl": {
    "h": 224.694,
    "s": 68.056,
    "l": 28.235
  },
  "oklch": {
    "l": 0.33965,
    "c": 0.12849,
    "h": 265.5
  },
  "luminance": 0.03677
}

Semantic roles & 50–950 ramp

primary

#173079

secondary

#AE913E

accent

#BF3DEB

background

#F6F6F9

surface

#EBEBF2

border

#C6C6CC

text

#07060F

muted

#7A7A7E

Preview Lab

Preview with #173079

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

Preview Lab → · Contrast checker → · Palette generator →