#173279#173279

#173279 is a dark, vivid blue. Relative luminance 0.038; OKLCH L 34.4% C 0.126 H 264.7°. Best body text is #FFFFFF at 11.87:1 contrast (WCAG AA passes).

Color values

HEX	#173279
RGB	rgb(23, 50, 121)
HSL	hsl(223, 68%, 28%)
HSV	hsv(223, 81%, 47%)
CMYK	cmyk(81%, 58.7%, 0%, 52.5%)
CIE-LAB	lab(23.15, 17.91, -43.41)
CIE-LCH	lch(23.15, 46.96, 292.42°)
OKLab	oklab(34.4% -0.0116 -0.1253)
OKLCH	oklch(34.4% 0.126 264.7)
XYZ	xyz(4.9439, 3.8433, 18.5667)
Luminance	0.0384 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#173279 #795E17

analogous

#176379 #173279 #2D1779

triadic

#173279 #791732 #327917

tetradic

#173279 #791763 #795E17 #17792D

square

#173279 #791763 #795E17 #17792D

split-complementary

#173279 #792D17 #637917

monochromatic

#050B1A #0D1D46 #173279 #2147AC #3260D8

Accessibility & contrast

On white

11.87

#173279 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.77

#173279 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #173279

11.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##173279	#FFFFFF	#000000	##FFFFFF
##173279	1.00	11.87	1.77	11.87
#FFFFFF	11.87	1.00	21.00	1.00
#000000	1.77	21.00	1.00	21.00
##FFFFFF	11.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003C7B

Deuteranopia (green-blind)

#003378

Tritanopia (blue-blind)

#004450

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #173279;
/* rgb */ color: rgb(23, 50, 121);
/* oklch */ color: oklch(34.4% 0.126 264.7);

Tailwind

colors: {
  custom: {
    50: '#6569a0',
    500: '#173279',
    950: '#000000',
  },
}

SCSS

$custom: #173279;
$custom-light: #6569a0;
$custom-dark: #000000;

JSON

{
  "hex": "#173279",
  "rgb": {
    "r": 23,
    "g": 50,
    "b": 121
  },
  "hsl": {
    "h": 223.469,
    "s": 68.056,
    "l": 28.235
  },
  "oklch": {
    "l": 0.34398,
    "c": 0.12583,
    "h": 264.7
  },
  "luminance": 0.03844
}

Semantic roles & 50–950 ramp

primary

#173279

secondary

#AE8F3E

accent

#BB3DEB

background

#F6F6F9

surface

#EBEBF2

border

#C6C6CC

text

#06060F

muted

#7A7A7E

Preview Lab

Preview with #173279

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

Preview Lab → · Contrast checker → · Palette generator →