#4739DA#4739DA

#4739DA is a mid, highly saturated blue. Relative luminance 0.093; OKLCH L 47.7% C 0.232 H 276.8°. Best body text is #FFFFFF at 7.33:1 contrast (WCAG AA passes).

Color values

HEX	#4739DA
RGB	rgb(71, 57, 218)
HSL	hsl(245, 69%, 54%)
HSV	hsv(245, 74%, 85%)
CMYK	cmyk(67.4%, 73.9%, 0%, 14.5%)
CIE-LAB	lab(36.61, 53.37, -79.61)
CIE-LCH	lch(36.61, 95.85, 303.84°)
OKLab	oklab(47.66% 0.0276 -0.23)
OKLCH	oklch(47.66% 0.232 276.8)
XYZ	xyz(16.7124, 9.3263, 67.2355)
Luminance	0.0933 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blurple

#5539CC

ΔE00 2.27

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4739DA #CCDA39

analogous

#397CDA #4739DA #9739DA

triadic

#4739DA #DA4739 #39DA47

tetradic

#4739DA #DA397C #CCDA39 #39DA97

square

#4739DA #DA397C #CCDA39 #39DA97

split-complementary

#4739DA #DA9739 #7CDA39

monochromatic

#211881 #2E22B4 #4739DA #776DE4 #A7A0ED

Accessibility & contrast

On white

7.33

#4739DA on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.87

#4739DA on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4739DA

7.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4739DA	#FFFFFF	#000000	##FFFFFF
##4739DA	1.00	7.33	2.87	7.33
#FFFFFF	7.33	1.00	21.00	1.00
#000000	2.87	21.00	1.00	21.00
##FFFFFF	7.33	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005DDF

Deuteranopia (green-blind)

#004FD7

Tritanopia (blue-blind)

#006787

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #4739da;
/* rgb */ color: rgb(71, 57, 218);
/* oklch */ color: oklch(47.7% 0.232 276.8);

Tailwind

colors: {
  custom: {
    50: '#8e72e7',
    500: '#4739da',
    950: '#000000',
  },
}

SCSS

$custom: #4739da;
$custom-light: #8e72e7;
$custom-dark: #000000;

JSON

{
  "hex": "#4739da",
  "rgb": {
    "r": 71,
    "g": 57,
    "b": 218
  },
  "hsl": {
    "h": 245.217,
    "s": 68.511,
    "l": 53.922
  },
  "oklch": {
    "l": 0.47663,
    "c": 0.2317,
    "h": 276.8
  },
  "luminance": 0.09328
}

Semantic roles & 50–950 ramp

primary

#4739DA

secondary

#D4DA95

accent

#EB3CDC

background

#F9F7FE

surface

#F2EDFD

border

#CCC8D5

text

#0E0816

muted

#7E7B84

Preview Lab

Preview with #4739DA

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

Preview Lab → · Contrast checker → · Palette generator →