#173280#173280

#173280 is a dark, vivid blue. Relative luminance 0.040; OKLCH L 35.0% C 0.136 H 265.3°. Best body text is #FFFFFF at 11.64:1 contrast (WCAG AA passes).

Color values

HEX	#173280
RGB	rgb(23, 50, 128)
HSL	hsl(225, 70%, 30%)
HSV	hsv(225, 82%, 50%)
CMYK	cmyk(82%, 60.9%, 0%, 49.8%)
CIE-LAB	lab(23.74, 20.78, -46.87)
CIE-LCH	lch(23.74, 51.27, 293.92°)
OKLab	oklab(35.03% -0.0112 -0.1354)
OKLCH	oklch(35.03% 0.136 265.3)
XYZ	xyz(5.3889, 4.0212, 20.9101)
Luminance	0.0402 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#173280 #806517

analogous

#176780 #173280 #301780

triadic

#173280 #801732 #328017

tetradic

#173280 #801767 #806517 #178030

square

#173280 #801767 #806517 #178030

split-complementary

#173280 #803017 #678017

monochromatic

#050A1A #0E1E4C #173280 #2046B4 #3661DB

Accessibility & contrast

On white

11.64

#173280 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.80

#173280 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #173280

11.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##173280	#FFFFFF	#000000	##FFFFFF
##173280	1.00	11.64	1.80	11.64
#FFFFFF	11.64	1.00	21.00	1.00
#000000	1.80	21.00	1.00	21.00
##FFFFFF	11.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003E83

Deuteranopia (green-blind)

#00347E

Tritanopia (blue-blind)

#004654

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #173280;
/* rgb */ color: rgb(23, 50, 128);
/* oklch */ color: oklch(35.0% 0.136 265.3);

Tailwind

colors: {
  custom: {
    50: '#6769a6',
    500: '#173280',
    950: '#000000',
  },
}

SCSS

$custom: #173280;
$custom-light: #6769a6;
$custom-dark: #000000;

JSON

{
  "hex": "#173280",
  "rgb": {
    "r": 23,
    "g": 50,
    "b": 128
  },
  "hsl": {
    "h": 224.571,
    "s": 69.536,
    "l": 29.608
  },
  "oklch": {
    "l": 0.35031,
    "c": 0.13591,
    "h": 265.3
  },
  "luminance": 0.04022
}

Semantic roles & 50–950 ramp

primary

#173280

secondary

#B4963E

accent

#BF3BEC

background

#F6F6FA

surface

#EBEBF4

border

#C6C6CE

text

#07060F

muted

#7A7A7F

Preview Lab

Preview with #173280

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

Preview Lab → · Contrast checker → · Palette generator →