#4740DA#4740DA

#4740DA is a mid, highly saturated blue. Relative luminance 0.101; OKLCH L 48.6% C 0.225 H 276.0°. Best body text is #FFFFFF at 6.97:1 contrast (WCAG AA passes).

Color values

HEX	#4740DA
RGB	rgb(71, 64, 218)
HSL	hsl(243, 68%, 55%)
HSV	hsv(243, 71%, 85%)
CMYK	cmyk(67.4%, 70.6%, 0%, 14.5%)
CIE-LAB	lab(37.96, 49.57, -77.38)
CIE-LCH	lch(37.96, 91.90, 302.65°)
OKLab	oklab(48.63% 0.0236 -0.2236)
OKLCH	oklch(48.63% 0.225 276)
XYZ	xyz(17.0827, 10.0668, 67.3589)
Luminance	0.1007 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blurple

#5539CC

ΔE00 3.02

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4740DA #D3DA40

analogous

#4086DA #4740DA #9440DA

triadic

#4740DA #DA4740 #40DA47

tetradic

#4740DA #DA4086 #D3DA40 #40DA94

square

#4740DA #DA4086 #D3DA40 #40DA94

split-complementary

#4740DA #DA9440 #86DA40

monochromatic

#1F1A86 #2B24B9 #4740DA #7873E4 #AAA7EE

Accessibility & contrast

On white

6.97

#4740DA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.01

#4740DA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4740DA

6.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4740DA	#FFFFFF	#000000	##FFFFFF
##4740DA	1.00	6.97	3.01	6.97
#FFFFFF	6.97	1.00	21.00	1.00
#000000	3.01	21.00	1.00	21.00
##FFFFFF	6.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0060DF

Deuteranopia (green-blind)

#0052D7

Tritanopia (blue-blind)

#006B89

Achromatopsia (no color)

#595959

Design tokens & code

CSS

--color: #4740da;
/* rgb */ color: rgb(71, 64, 218);
/* oklch */ color: oklch(48.6% 0.225 276.0);

Tailwind

colors: {
  custom: {
    50: '#8d76e7',
    500: '#4740da',
    950: '#000000',
  },
}

SCSS

$custom: #4740da;
$custom-light: #8d76e7;
$custom-dark: #000000;

JSON

{
  "hex": "#4740da",
  "rgb": {
    "r": 71,
    "g": 64,
    "b": 218
  },
  "hsl": {
    "h": 242.727,
    "s": 67.544,
    "l": 55.294
  },
  "oklch": {
    "l": 0.48627,
    "c": 0.2248,
    "h": 276
  },
  "luminance": 0.10068
}

Semantic roles & 50–950 ramp

primary

#4740DA

secondary

#D8DB9B

accent

#EA3DE3

background

#F9F7FE

surface

#F2EDFD

border

#CCC8D5

text

#0E0916

muted

#7E7B84

Preview Lab

Preview with #4740DA

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

Preview Lab → · Contrast checker → · Palette generator →