#4173D5#4173D5

#4173D5 is a mid, vivid blue. Relative luminance 0.182; OKLCH L 57.2% C 0.160 H 262.2°. Best body text is #000000 at 4.64:1 contrast (WCAG AA passes).

Color values

HEX	#4173D5
RGB	rgb(65, 115, 213)
HSL	hsl(220, 64%, 55%)
HSV	hsv(220, 69%, 84%)
CMYK	cmyk(69.5%, 46%, 0%, 16.5%)
CIE-LAB	lab(49.72, 15.67, -55.41)
CIE-LCH	lch(49.72, 57.59, 285.79°)
OKLab	oklab(57.18% -0.0217 -0.1587)
OKLCH	oklch(57.18% 0.16 262.2)
XYZ	xyz(20.3167, 18.1873, 65.3777)
Luminance	0.1819 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4173D5 #D5A341

analogous

#41BDD5 #4173D5 #5941D5

triadic

#4173D5 #D54173 #73D541

tetradic

#4173D5 #D541BD #D5A341 #41D559

square

#4173D5 #D541BD #D5A341 #41D559

split-complementary

#4173D5 #D55941 #BDD541

monochromatic

#1C3E7F #2756B2 #4173D5 #7398E0 #A5BDEB

Accessibility & contrast

On white

4.53

#4173D5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.64

#4173D5 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4173D5

4.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4173D5	#FFFFFF	#000000	##000000
##4173D5	1.00	4.53	4.64	4.64
#FFFFFF	4.53	1.00	21.00	21.00
#000000	4.64	21.00	1.00	1.00
##000000	4.64	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#417ED9

Deuteranopia (green-blind)

#2170D3

Tritanopia (blue-blind)

#008A9A

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #4173d5;
/* rgb */ color: rgb(65, 115, 213);
/* oklch */ color: oklch(57.2% 0.160 262.2);

Tailwind

colors: {
  custom: {
    50: '#869ae2',
    500: '#4173d5',
    950: '#000000',
  },
}

SCSS

$custom: #4173d5;
$custom-light: #869ae2;
$custom-dark: #000000;

JSON

{
  "hex": "#4173d5",
  "rgb": {
    "r": 65,
    "g": 115,
    "b": 213
  },
  "hsl": {
    "h": 219.73,
    "s": 63.793,
    "l": 54.51
  },
  "oklch": {
    "l": 0.57176,
    "c": 0.16019,
    "h": 262.2
  },
  "luminance": 0.18189
}

Semantic roles & 50–950 ramp

primary

#4173D5

secondary

#D8C39A

accent

#AF41E7

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0D0E15

muted

#7D7E83

Preview Lab

Preview with #4173D5

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

Preview Lab → · Contrast checker → · Palette generator →