#4757DA#4757DA

#4757DA is a mid, vivid blue. Relative luminance 0.132; OKLCH L 52.4% C 0.199 H 272.2°. Best body text is #FFFFFF at 5.76:1 contrast (WCAG AA passes).

Color values

HEX	#4757DA
RGB	rgb(71, 87, 218)
HSL	hsl(233, 67%, 57%)
HSV	hsv(233, 67%, 85%)
CMYK	cmyk(67.4%, 60.1%, 0%, 14.5%)
CIE-LAB	lab(43.09, 35.90, -68.98)
CIE-LCH	lch(43.09, 77.76, 297.49°)
OKLab	oklab(52.36% 0.0077 -0.1989)
OKLCH	oklch(52.36% 0.199 272.2)
XYZ	xyz(18.6574, 13.2162, 67.8838)
Luminance	0.1322 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4757DA #DACA47

analogous

#47A1DA #4757DA #8047DA

triadic

#4757DA #DA4757 #57DA47

tetradic

#4757DA #DA47A1 #DACA47 #47DA80

square

#4757DA #DA47A1 #DACA47 #47DA80

split-complementary

#4757DA #DA8047 #A1DA47

monochromatic

#1C288B #2637BE #4757DA #7A86E4 #ADB4EE

Accessibility & contrast

On white

5.76

#4757DA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.64

#4757DA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4757DA

5.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4757DA	#FFFFFF	#000000	##FFFFFF
##4757DA	1.00	5.76	3.64	5.76
#FFFFFF	5.76	1.00	21.00	1.00
#000000	3.64	21.00	1.00	21.00
##FFFFFF	5.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006DDE

Deuteranopia (green-blind)

#005FD7

Tritanopia (blue-blind)

#007890

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #4757da;
/* rgb */ color: rgb(71, 87, 218);
/* oklch */ color: oklch(52.4% 0.199 272.2);

Tailwind

colors: {
  custom: {
    50: '#8b86e6',
    500: '#4757da',
    950: '#000000',
  },
}

SCSS

$custom: #4757da;
$custom-light: #8b86e6;
$custom-dark: #000000;

JSON

{
  "hex": "#4757da",
  "rgb": {
    "r": 71,
    "g": 87,
    "b": 218
  },
  "hsl": {
    "h": 233.469,
    "s": 66.516,
    "l": 56.667
  },
  "oklch": {
    "l": 0.52357,
    "c": 0.19904,
    "h": 272.2
  },
  "luminance": 0.13218
}

Semantic roles & 50–950 ramp

primary

#4757DA

secondary

#DCD6A0

accent

#D73EE9

background

#F9F8FE

surface

#F2EFFC

border

#CCCAD5

text

#0D0B16

muted

#7E7C84

Preview Lab

Preview with #4757DA

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

Preview Lab → · Contrast checker → · Palette generator →