#4F57E5#4F57E5

#4F57E5 is a mid, highly saturated blue. Relative luminance 0.141; OKLCH L 53.7% C 0.211 H 274.3°. Best body text is #FFFFFF at 5.49:1 contrast (WCAG AA passes).

Color values

HEX	#4F57E5
RGB	rgb(79, 87, 229)
HSL	hsl(237, 74%, 60%)
HSV	hsv(237, 66%, 90%)
CMYK	cmyk(65.5%, 62%, 0%, 10.2%)
CIE-LAB	lab(44.42, 40.72, -73.03)
CIE-LCH	lch(44.42, 83.62, 299.14°)
OKLab	oklab(53.74% 0.0159 -0.2106)
OKLCH	oklch(53.74% 0.211 274.3)
XYZ	xyz(20.7708, 14.1340, 75.7471)
Luminance	0.1414 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4F57E5 #E5DD4F

analogous

#4FA2E5 #4F57E5 #924FE5

triadic

#4F57E5 #E54F57 #57E54F

tetradic

#4F57E5 #E54FA2 #E5DD4F #4FE592

square

#4F57E5 #E54FA2 #E5DD4F #4FE592

split-complementary

#4F57E5 #E5924F #A2E54F

monochromatic

#181FA2 #202AD7 #4F57E5 #848AED #BABDF5

Accessibility & contrast

On white

5.49

#4F57E5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.83

#4F57E5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4F57E5

5.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4F57E5	#FFFFFF	#000000	##FFFFFF
##4F57E5	1.00	5.49	3.83	5.49
#FFFFFF	5.49	1.00	21.00	1.00
#000000	3.83	21.00	1.00	21.00
##FFFFFF	5.49	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0070EA

Deuteranopia (green-blind)

#0062E2

Tritanopia (blue-blind)

#007B96

Achromatopsia (no color)

#696969

Design tokens & code

CSS

--color: #4f57e5;
/* rgb */ color: rgb(79, 87, 229);
/* oklch */ color: oklch(53.7% 0.211 274.3);

Tailwind

colors: {
  custom: {
    50: '#9186ee',
    500: '#4f57e5',
    950: '#000000',
  },
}

SCSS

$custom: #4f57e5;
$custom-light: #9186ee;
$custom-dark: #000000;

JSON

{
  "hex": "#4f57e5",
  "rgb": {
    "r": 79,
    "g": 87,
    "b": 229
  },
  "hsl": {
    "h": 236.8,
    "s": 74.257,
    "l": 60.392
  },
  "oklch": {
    "l": 0.53736,
    "c": 0.21119,
    "h": 274.3
  },
  "luminance": 0.14136
}

Semantic roles & 50–950 ramp

primary

#4F57E5

secondary

#E5E1AB

accent

#CC0FD6

background

#F9F8FE

surface

#F2EFFD

border

#CCCAD5

text

#0E0B17

muted

#7E7C85

Preview Lab

Preview with #4F57E5

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

Preview Lab → · Contrast checker → · Palette generator →