#4F57D2#4F57D2

#4F57D2 is a mid, vivid blue. Relative luminance 0.131; OKLCH L 52.2% C 0.187 H 275.1°. Best body text is #FFFFFF at 5.79:1 contrast (WCAG AA passes).

Color values

HEX	#4F57D2
RGB	rgb(79, 87, 210)
HSL	hsl(236, 59%, 57%)
HSV	hsv(236, 62%, 82%)
CMYK	cmyk(62.4%, 58.6%, 0%, 17.6%)
CIE-LAB	lab(42.96, 34.38, -64.59)
CIE-LCH	lch(42.96, 73.17, 298.03°)
OKLab	oklab(52.2% 0.0165 -0.1858)
OKLCH	oklch(52.2% 0.187 275.1)
XYZ	xyz(18.2617, 13.1303, 62.5323)
Luminance	0.1313 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4F57D2 #D2CA4F

analogous

#4F99D2 #4F57D2 #894FD2

triadic

#4F57D2 #D24F57 #57D24F

tetradic

#4F57D2 #D24F99 #D2CA4F #4FD289

square

#4F57D2 #D24F99 #D2CA4F #4FD289

split-complementary

#4F57D2 #D2894F #99D24F

monochromatic

#222885 #2E37B5 #4F57D2 #8086DE #B0B4EB

Accessibility & contrast

On white

5.79

#4F57D2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.63

#4F57D2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4F57D2

5.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4F57D2	#FFFFFF	#000000	##FFFFFF
##4F57D2	1.00	5.79	3.63	5.79
#FFFFFF	5.79	1.00	21.00	1.00
#000000	3.63	21.00	1.00	21.00
##FFFFFF	5.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006BD6

Deuteranopia (green-blind)

#0060D0

Tritanopia (blue-blind)

#00758C

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #4f57d2;
/* rgb */ color: rgb(79, 87, 210);
/* oklch */ color: oklch(52.2% 0.187 275.1);

Tailwind

colors: {
  custom: {
    50: '#8e86e1',
    500: '#4f57d2',
    950: '#000000',
  },
}

SCSS

$custom: #4f57d2;
$custom-light: #8e86e1;
$custom-dark: #000000;

JSON

{
  "hex": "#4f57d2",
  "rgb": {
    "r": 79,
    "g": 87,
    "b": 210
  },
  "hsl": {
    "h": 236.336,
    "s": 59.276,
    "l": 56.667
  },
  "oklch": {
    "l": 0.52198,
    "c": 0.18652,
    "h": 275.1
  },
  "luminance": 0.13132
}

Semantic roles & 50–950 ramp

primary

#4F57D2

secondary

#D9D6A4

accent

#D945E2

background

#F9F8FD

surface

#F2EFFB

border

#CCCAD4

text

#0D0B15

muted

#7E7C83

Preview Lab

Preview with #4F57D2

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

Preview Lab → · Contrast checker → · Palette generator →