#4740DD#4740DD

#4740DD is a mid, highly saturated blue. Relative luminance 0.102; OKLCH L 48.9% C 0.228 H 275.8°. Best body text is #FFFFFF at 6.90:1 contrast (WCAG AA passes).

Color values

HEX	#4740DD
RGB	rgb(71, 64, 221)
HSL	hsl(243, 70%, 56%)
HSV	hsv(243, 71%, 87%)
CMYK	cmyk(67.9%, 71%, 0%, 13.3%)
CIE-LAB	lab(38.24, 50.52, -78.63)
CIE-LCH	lch(38.24, 93.47, 302.72°)
OKLab	oklab(48.91% 0.0231 -0.2272)
OKLCH	oklch(48.91% 0.228 275.8)
XYZ	xyz(17.4788, 10.2252, 69.4451)
Luminance	0.1023 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blurple

#5539CC

ΔE00 3.24

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4740DD #D6DD40

analogous

#4087DD #4740DD #9540DD

triadic

#4740DD #DD4740 #40DD47

tetradic

#4740DD #DD4087 #D6DD40 #40DD95

square

#4740DD #DD4087 #D6DD40 #40DD95

split-complementary

#4740DD #DD9540 #87DD40

monochromatic

#1E198A #2922BE #4740DD #7974E6 #ABA8EF

Accessibility & contrast

On white

6.90

#4740DD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.05

#4740DD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4740DD

6.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4740DD	#FFFFFF	#000000	##FFFFFF
##4740DD	1.00	6.90	3.05	6.90
#FFFFFF	6.90	1.00	21.00	1.00
#000000	3.05	21.00	1.00	21.00
##FFFFFF	6.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0061E2

Deuteranopia (green-blind)

#0053DA

Tritanopia (blue-blind)

#006C8A

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #4740dd;
/* rgb */ color: rgb(71, 64, 221);
/* oklch */ color: oklch(48.9% 0.228 275.8);

Tailwind

colors: {
  custom: {
    50: '#8e77e9',
    500: '#4740dd',
    950: '#000000',
  },
}

SCSS

$custom: #4740dd;
$custom-light: #8e77e9;
$custom-dark: #000000;

JSON

{
  "hex": "#4740dd",
  "rgb": {
    "r": 71,
    "g": 64,
    "b": 221
  },
  "hsl": {
    "h": 242.675,
    "s": 69.778,
    "l": 55.882
  },
  "oklch": {
    "l": 0.48913,
    "c": 0.2284,
    "h": 275.8
  },
  "luminance": 0.10227
}

Semantic roles & 50–950 ramp

primary

#4740DD

secondary

#DADD9C

accent

#ED3BE5

background

#F9F7FE

surface

#F2EDFD

border

#CCC8D5

text

#0E0916

muted

#7E7B84

Preview Lab

Preview with #4740DD

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

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