#4B57DC#4B57DC

#4B57DC is a mid, highly saturated blue. Relative luminance 0.135; OKLCH L 52.8% C 0.201 H 273.4°. Best body text is #FFFFFF at 5.68:1 contrast (WCAG AA passes).

Color values

HEX	#4B57DC
RGB	rgb(75, 87, 220)
HSL	hsl(235, 67%, 58%)
HSV	hsv(235, 66%, 86%)
CMYK	cmyk(65.9%, 60.5%, 0%, 13.7%)
CIE-LAB	lab(43.47, 37.14, -69.48)
CIE-LCH	lch(43.47, 78.79, 298.13°)
OKLab	oklab(52.75% 0.0119 -0.2003)
OKLCH	oklch(52.75% 0.201 273.4)
XYZ	xyz(19.2238, 13.4778, 69.2847)
Luminance	0.1348 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4B57DC #DCD04B

analogous

#4BA0DC #4B57DC #874BDC

triadic

#4B57DC #DC4B57 #57DC4B

tetradic

#4B57DC #DC4BA0 #DCD04B #4BDC87

square

#4B57DC #DC4BA0 #DCD04B #4BDC87

split-complementary

#4B57DC #DC874B #A0DC4B

monochromatic

#1C2691 #2633C4 #4B57DC #7E87E6 #B1B7F0

Accessibility & contrast

On white

5.68

#4B57DC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.70

#4B57DC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4B57DC

5.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B57DC	#FFFFFF	#000000	##FFFFFF
##4B57DC	1.00	5.68	3.70	5.68
#FFFFFF	5.68	1.00	21.00	1.00
#000000	3.70	21.00	1.00	21.00
##FFFFFF	5.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006DE0

Deuteranopia (green-blind)

#0060D9

Tritanopia (blue-blind)

#007891

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #4b57dc;
/* rgb */ color: rgb(75, 87, 220);
/* oklch */ color: oklch(52.8% 0.201 273.4);

Tailwind

colors: {
  custom: {
    50: '#8d86e8',
    500: '#4b57dc',
    950: '#000000',
  },
}

SCSS

$custom: #4b57dc;
$custom-light: #8d86e8;
$custom-dark: #000000;

JSON

{
  "hex": "#4b57dc",
  "rgb": {
    "r": 75,
    "g": 87,
    "b": 220
  },
  "hsl": {
    "h": 235.034,
    "s": 67.442,
    "l": 57.843
  },
  "oklch": {
    "l": 0.52753,
    "c": 0.20061,
    "h": 273.4
  },
  "luminance": 0.1348
}

Semantic roles & 50–950 ramp

primary

#4B57DC

secondary

#DEDAA4

accent

#DC3DEA

background

#F9F8FE

surface

#F2EFFD

border

#CCCAD5

text

#0E0B16

muted

#7E7C84

Preview Lab

Preview with #4B57DC

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

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