#4740DF#4740DF

#4740DF is a mid, highly saturated blue. Relative luminance 0.103; OKLCH L 49.1% C 0.231 H 275.7°. Best body text is #FFFFFF at 6.85:1 contrast (WCAG AA passes).

Color values

HEX	#4740DF
RGB	rgb(71, 64, 223)
HSL	hsl(243, 71%, 56%)
HSV	hsv(243, 71%, 87%)
CMYK	cmyk(68.2%, 71.3%, 0%, 12.5%)
CIE-LAB	lab(38.43, 51.16, -79.47)
CIE-LCH	lch(38.43, 94.51, 302.77°)
OKLab	oklab(49.11% 0.0228 -0.2297)
OKLCH	oklch(49.11% 0.231 275.7)
XYZ	xyz(17.7468, 10.3325, 70.8568)
Luminance	0.1033 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blurple

#5539CC

ΔE00 3.39

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4740DF #D8DF40

analogous

#4089DF #4740DF #9740DF

triadic

#4740DF #DF4740 #40DF47

tetradic

#4740DF #DF4089 #D8DF40 #40DF97

square

#4740DF #DF4089 #D8DF40 #40DF97

split-complementary

#4740DF #DF9740 #89DF40

monochromatic

#1D188D #2720C1 #4740DF #7A74E8 #ACA9F1

Accessibility & contrast

On white

6.85

#4740DF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.07

#4740DF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4740DF

6.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4740DF	#FFFFFF	#000000	##FFFFFF
##4740DF	1.00	6.85	3.07	6.85
#FFFFFF	6.85	1.00	21.00	1.00
#000000	3.07	21.00	1.00	21.00
##FFFFFF	6.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0061E4

Deuteranopia (green-blind)

#0053DC

Tritanopia (blue-blind)

#006D8B

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #4740df;
/* rgb */ color: rgb(71, 64, 223);
/* oklch */ color: oklch(49.1% 0.231 275.7);

Tailwind

colors: {
  custom: {
    50: '#8e77ea',
    500: '#4740df',
    950: '#000000',
  },
}

SCSS

$custom: #4740df;
$custom-light: #8e77ea;
$custom-dark: #000000;

JSON

{
  "hex": "#4740df",
  "rgb": {
    "r": 71,
    "g": 64,
    "b": 223
  },
  "hsl": {
    "h": 242.642,
    "s": 71.3,
    "l": 56.275
  },
  "oklch": {
    "l": 0.49105,
    "c": 0.23079,
    "h": 275.7
  },
  "luminance": 0.10334
}

Semantic roles & 50–950 ramp

primary

#4740DF

secondary

#DBDE9D

accent

#EE3AE6

background

#F9F7FE

surface

#F2EDFD

border

#CCC8D5

text

#0E0916

muted

#7E7B84

Preview Lab

Preview with #4740DF

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

Preview Lab → · Contrast checker → · Palette generator →