#4757D8#4757D8

#4757D8 is a mid, vivid blue. Relative luminance 0.131; OKLCH L 52.2% C 0.196 H 272.2°. Best body text is #FFFFFF at 5.80:1 contrast (WCAG AA passes).

Color values

HEX	#4757D8
RGB	rgb(71, 87, 216)
HSL	hsl(233, 65%, 56%)
HSV	hsv(233, 67%, 85%)
CMYK	cmyk(67.1%, 59.7%, 0%, 15.3%)
CIE-LAB	lab(42.93, 35.21, -68.09)
CIE-LCH	lch(42.93, 76.66, 297.34°)
OKLab	oklab(52.19% 0.0077 -0.1963)
OKLCH	oklch(52.19% 0.196 272.2)
XYZ	xyz(18.3972, 13.1121, 66.5138)
Luminance	0.1311 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4757D8 #D8C847

analogous

#47A0D8 #4757D8 #8047D8

triadic

#4757D8 #D84757 #57D847

tetradic

#4757D8 #D847A0 #D8C847 #47D880

square

#4757D8 #D847A0 #D8C847 #47D880

split-complementary

#4757D8 #D88047 #A0D847

monochromatic

#1D2988 #2738BA #4757D8 #7985E3 #ACB3ED

Accessibility & contrast

On white

5.80

#4757D8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.62

#4757D8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4757D8

5.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4757D8	#FFFFFF	#000000	##FFFFFF
##4757D8	1.00	5.80	3.62	5.80
#FFFFFF	5.80	1.00	21.00	1.00
#000000	3.62	21.00	1.00	21.00
##FFFFFF	5.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006CDC

Deuteranopia (green-blind)

#005FD5

Tritanopia (blue-blind)

#00778F

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #4757d8;
/* rgb */ color: rgb(71, 87, 216);
/* oklch */ color: oklch(52.2% 0.196 272.2);

Tailwind

colors: {
  custom: {
    50: '#8b86e5',
    500: '#4757d8',
    950: '#000000',
  },
}

SCSS

$custom: #4757d8;
$custom-light: #8b86e5;
$custom-dark: #000000;

JSON

{
  "hex": "#4757d8",
  "rgb": {
    "r": 71,
    "g": 87,
    "b": 216
  },
  "hsl": {
    "h": 233.379,
    "s": 65.022,
    "l": 56.275
  },
  "oklch": {
    "l": 0.52193,
    "c": 0.19643,
    "h": 272.2
  },
  "luminance": 0.13114
}

Semantic roles & 50–950 ramp

primary

#4757D8

secondary

#DBD5A0

accent

#D540E8

background

#F9F8FE

surface

#F2EFFC

border

#CCCAD5

text

#0D0B16

muted

#7E7C84

Preview Lab

Preview with #4757D8

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

Preview Lab → · Contrast checker → · Palette generator →