#4757CE#4757CE

#4757CE is a mid, vivid blue. Relative luminance 0.126; OKLCH L 51.4% C 0.183 H 272.4°. Best body text is #FFFFFF at 5.96:1 contrast (WCAG AA passes).

Color values

HEX	#4757CE
RGB	rgb(71, 87, 206)
HSL	hsl(233, 58%, 54%)
HSV	hsv(233, 66%, 81%)
CMYK	cmyk(65.5%, 57.8%, 0%, 19.2%)
CIE-LAB	lab(42.17, 31.77, -63.59)
CIE-LCH	lch(42.17, 71.09, 296.54°)
OKLab	oklab(51.39% 0.0077 -0.1831)
OKLCH	oklch(51.39% 0.183 272.4)
XYZ	xyz(17.1436, 12.6107, 59.9112)
Luminance	0.1261 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4757CE #CEBE47

analogous

#479BCE #4757CE #7B47CE

triadic

#4757CE #CE4757 #57CE47

tetradic

#4757CE #CE479B #CEBE47 #47CE7B

square

#4757CE #CE479B #CEBE47 #47CE7B

split-complementary

#4757CE #CE7B47 #9BCE47

monochromatic

#212B7A #2D3CAA #4757CE #7783DB #A8AFE8

Accessibility & contrast

On white

5.96

#4757CE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.52

#4757CE on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4757CE

5.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4757CE	#FFFFFF	#000000	##FFFFFF
##4757CE	1.00	5.96	3.52	5.96
#FFFFFF	5.96	1.00	21.00	1.00
#000000	3.52	21.00	1.00	21.00
##FFFFFF	5.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006AD2

Deuteranopia (green-blind)

#005ECC

Tritanopia (blue-blind)

#00748A

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #4757ce;
/* rgb */ color: rgb(71, 87, 206);
/* oklch */ color: oklch(51.4% 0.183 272.4);

Tailwind

colors: {
  custom: {
    50: '#8986de',
    500: '#4757ce',
    950: '#000000',
  },
}

SCSS

$custom: #4757ce;
$custom-light: #8986de;
$custom-dark: #000000;

JSON

{
  "hex": "#4757ce",
  "rgb": {
    "r": 71,
    "g": 87,
    "b": 206
  },
  "hsl": {
    "h": 232.889,
    "s": 57.94,
    "l": 54.314
  },
  "oklch": {
    "l": 0.5139,
    "c": 0.18322,
    "h": 272.4
  },
  "luminance": 0.12612
}

Semantic roles & 50–950 ramp

primary

#4757CE

secondary

#D5CE9C

accent

#CF47E1

background

#F9F8FD

surface

#F1EFFB

border

#CBCAD4

text

#0D0B15

muted

#7E7C83

Preview Lab

Preview with #4757CE

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

Preview Lab → · Contrast checker → · Palette generator →