#4337C7#4337C7

#4337C7 is a mid, highly saturated blue. Relative luminance 0.080; OKLCH L 45.2% C 0.212 H 277.4°. Best body text is #FFFFFF at 8.05:1 contrast (WCAG AA passes).

Color values

HEX	#4337C7
RGB	rgb(67, 55, 199)
HSL	hsl(245, 57%, 50%)
HSV	hsv(245, 72%, 78%)
CMYK	cmyk(66.3%, 72.4%, 0%, 22%)
CIE-LAB	lab(34.08, 48.10, -72.78)
CIE-LCH	lch(34.08, 87.23, 303.46°)
OKLab	oklab(45.25% 0.0274 -0.2102)
OKLCH	oklch(45.25% 0.212 277.4)
XYZ	xyz(13.9864, 8.0480, 54.8381)
Luminance	0.0805 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4337C7 #BBC737

analogous

#3773C7 #4337C7 #8B37C7

triadic

#4337C7 #C74337 #37C743

tetradic

#4337C7 #C73773 #BBC737 #37C78B

square

#4337C7 #C73773 #BBC737 #37C78B

split-complementary

#4337C7 #C78B37 #73C737

monochromatic

#231C67 #332A97 #4337C7 #7066D5 #9D96E2

Accessibility & contrast

On white

8.05

#4337C7 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.61

#4337C7 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4337C7

8.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4337C7	#FFFFFF	#000000	##FFFFFF
##4337C7	1.00	8.05	2.61	8.05
#FFFFFF	8.05	1.00	21.00	1.00
#000000	2.61	21.00	1.00	21.00
##FFFFFF	8.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0056CB

Deuteranopia (green-blind)

#004AC4

Tritanopia (blue-blind)

#005F7C

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #4337c7;
/* rgb */ color: rgb(67, 55, 199);
/* oklch */ color: oklch(45.2% 0.212 277.4);

Tailwind

colors: {
  custom: {
    50: '#8870d9',
    500: '#4337c7',
    950: '#000000',
  },
}

SCSS

$custom: #4337c7;
$custom-light: #8870d9;
$custom-dark: #000000;

JSON

{
  "hex": "#4337c7",
  "rgb": {
    "r": 67,
    "g": 55,
    "b": 199
  },
  "hsl": {
    "h": 245,
    "s": 56.693,
    "l": 49.804
  },
  "oklch": {
    "l": 0.45245,
    "c": 0.21197,
    "h": 277.4
  },
  "luminance": 0.08049
}

Semantic roles & 50–950 ramp

primary

#4337C7

secondary

#C8CD8C

accent

#E048D3

background

#F9F6FD

surface

#F1ECFB

border

#CBC7D4

text

#0D0815

muted

#7E7B83

Preview Lab

Preview with #4337C7

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

Preview Lab → · Contrast checker → · Palette generator →