#4F57DE#4F57DE

#4F57DE is a mid, highly saturated blue. Relative luminance 0.138; OKLCH L 53.2% C 0.202 H 274.6°. Best body text is #FFFFFF at 5.60:1 contrast (WCAG AA passes).

Color values

HEX	#4F57DE
RGB	rgb(79, 87, 222)
HSL	hsl(237, 68%, 59%)
HSV	hsv(237, 64%, 87%)
CMYK	cmyk(64.4%, 60.8%, 0%, 12.9%)
CIE-LAB	lab(43.87, 38.39, -69.96)
CIE-LCH	lch(43.87, 79.80, 298.76°)
OKLab	oklab(53.16% 0.0162 -0.2016)
OKLCH	oklch(53.16% 0.202 274.6)
XYZ	xyz(19.8131, 13.7509, 70.7031)
Luminance	0.1375 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4F57DE #DED64F

analogous

#4F9FDE #4F57DE #8F4FDE

triadic

#4F57DE #DE4F57 #57DE4F

tetradic

#4F57DE #DE4F9F #DED64F #4FDE8F

square

#4F57DE #DE4F9F #DED64F #4FDE8F

split-complementary

#4F57DE #DE8F4F #9FDE4F

monochromatic

#1C2396 #262FCA #4F57DE #8388E8 #B6B9F1

Accessibility & contrast

On white

5.60

#4F57DE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.75

#4F57DE on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4F57DE

5.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4F57DE	#FFFFFF	#000000	##FFFFFF
##4F57DE	1.00	5.60	3.75	5.60
#FFFFFF	5.60	1.00	21.00	1.00
#000000	3.75	21.00	1.00	21.00
##FFFFFF	5.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006EE2

Deuteranopia (green-blind)

#0061DB

Tritanopia (blue-blind)

#007992

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #4f57de;
/* rgb */ color: rgb(79, 87, 222);
/* oklch */ color: oklch(53.2% 0.202 274.6);

Tailwind

colors: {
  custom: {
    50: '#9086e9',
    500: '#4f57de',
    950: '#000000',
  },
}

SCSS

$custom: #4f57de;
$custom-light: #9086e9;
$custom-dark: #000000;

JSON

{
  "hex": "#4f57de",
  "rgb": {
    "r": 79,
    "g": 87,
    "b": 222
  },
  "hsl": {
    "h": 236.643,
    "s": 68.421,
    "l": 59.02
  },
  "oklch": {
    "l": 0.5316,
    "c": 0.20222,
    "h": 274.6
  },
  "luminance": 0.13753
}

Semantic roles & 50–950 ramp

primary

#4F57DE

secondary

#E0DDA8

accent

#E13DEB

background

#F9F8FE

surface

#F2EFFD

border

#CCCAD5

text

#0E0B16

muted

#7E7C84

Preview Lab

Preview with #4F57DE

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

Preview Lab → · Contrast checker → · Palette generator →