#4173C7#4173C7

#4173C7 is a mid, vivid blue. Relative luminance 0.175; OKLCH L 56.3% C 0.141 H 260.2°. Best body text is #FFFFFF at 4.66:1 contrast (WCAG AA passes).

Color values

HEX	#4173C7
RGB	rgb(65, 115, 199)
HSL	hsl(218, 54%, 52%)
HSV	hsv(218, 67%, 78%)
CMYK	cmyk(67.3%, 42.2%, 0%, 22%)
CIE-LAB	lab(48.89, 10.66, -48.76)
CIE-LCH	lch(48.89, 49.91, 282.33°)
OKLab	oklab(56.27% -0.0242 -0.1391)
OKLCH	oklch(56.27% 0.141 260.2)
XYZ	xyz(18.6158, 17.5069, 56.4199)
Luminance	0.1751 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4173C7 #C79541

analogous

#41B6C7 #4173C7 #5241C7

triadic

#4173C7 #C74173 #73C741

tetradic

#4173C7 #C741B6 #C79541 #41C752

square

#4173C7 #C741B6 #C79541 #41C752

split-complementary

#4173C7 #C75241 #B6C741

monochromatic

#203D6D #2E579D #4173C7 #7096D5 #A0B9E3

Accessibility & contrast

On white

4.66

#4173C7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.50

#4173C7 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #4173C7

4.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4173C7	#FFFFFF	#000000	##FFFFFF
##4173C7	1.00	4.66	4.50	4.66
#FFFFFF	4.66	1.00	21.00	1.00
#000000	4.50	21.00	1.00	21.00
##FFFFFF	4.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4C7BCA

Deuteranopia (green-blind)

#366EC5

Tritanopia (blue-blind)

#008693

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #4173c7;
/* rgb */ color: rgb(65, 115, 199);
/* oklch */ color: oklch(56.3% 0.141 260.2);

Tailwind

colors: {
  custom: {
    50: '#849ad8',
    500: '#4173c7',
    950: '#000000',
  },
}

SCSS

$custom: #4173c7;
$custom-light: #849ad8;
$custom-dark: #000000;

JSON

{
  "hex": "#4173c7",
  "rgb": {
    "r": 65,
    "g": 115,
    "b": 199
  },
  "hsl": {
    "h": 217.612,
    "s": 54.472,
    "l": 51.765
  },
  "oklch": {
    "l": 0.56268,
    "c": 0.14123,
    "h": 260.2
  },
  "luminance": 0.17509
}

Semantic roles & 50–950 ramp

primary

#4173C7

secondary

#CFB995

accent

#A74ADE

background

#F8F9FD

surface

#F0F2FA

border

#CBCCD3

text

#0C0E14

muted

#7D7E83

Preview Lab

Preview with #4173C7

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

Preview Lab → · Contrast checker → · Palette generator →