#4173C4#4173C4

#4173C4 is a mid, vivid blue. Relative luminance 0.174; OKLCH L 56.1% C 0.137 H 259.6°. Best body text is #FFFFFF at 4.69:1 contrast (WCAG AA passes).

Color values

HEX	#4173C4
RGB	rgb(65, 115, 196)
HSL	hsl(217, 53%, 51%)
HSV	hsv(217, 67%, 77%)
CMYK	cmyk(66.8%, 41.3%, 0%, 23.1%)
CIE-LAB	lab(48.72, 9.59, -47.31)
CIE-LCH	lch(48.72, 48.27, 281.46°)
OKLab	oklab(56.08% -0.0248 -0.1349)
OKLCH	oklch(56.08% 0.137 259.6)
XYZ	xyz(18.2710, 17.3690, 54.6035)
Luminance	0.1737 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4173C4 #C49241

analogous

#41B4C4 #4173C4 #5041C4

triadic

#4173C4 #C44173 #73C441

tetradic

#4173C4 #C441B4 #C49241 #41C450

square

#4173C4 #C441B4 #C49241 #41C450

split-complementary

#4173C4 #C45041 #B4C441

monochromatic

#213D6A #2F5798 #4173C4 #7095D3 #9EB8E1

Accessibility & contrast

On white

4.69

#4173C4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.47

#4173C4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4173C4

4.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4173C4	#FFFFFF	#000000	##FFFFFF
##4173C4	1.00	4.69	4.47	4.69
#FFFFFF	4.69	1.00	21.00	1.00
#000000	4.47	21.00	1.00	21.00
##FFFFFF	4.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4E7AC7

Deuteranopia (green-blind)

#396EC2

Tritanopia (blue-blind)

#008692

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #4173c4;
/* rgb */ color: rgb(65, 115, 196);
/* oklch */ color: oklch(56.1% 0.137 259.6);

Tailwind

colors: {
  custom: {
    50: '#839ad6',
    500: '#4173c4',
    950: '#000000',
  },
}

SCSS

$custom: #4173c4;
$custom-light: #839ad6;
$custom-dark: #000000;

JSON

{
  "hex": "#4173c4",
  "rgb": {
    "r": 65,
    "g": 115,
    "b": 196
  },
  "hsl": {
    "h": 217.099,
    "s": 52.61,
    "l": 51.176
  },
  "oklch": {
    "l": 0.56081,
    "c": 0.13716,
    "h": 259.6
  },
  "luminance": 0.17371
}

Semantic roles & 50–950 ramp

primary

#4173C4

secondary

#CDB793

accent

#A54CDC

background

#F8F9FD

surface

#F0F2FA

border

#CBCCD3

text

#0C0E14

muted

#7D7E83

Preview Lab

Preview with #4173C4

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

Preview Lab → · Contrast checker → · Palette generator →