#4F59E3#4F59E3

#4F59E3 is a mid, highly saturated blue. Relative luminance 0.144; OKLCH L 53.9% C 0.206 H 274.0°. Best body text is #FFFFFF at 5.43:1 contrast (WCAG AA passes).

Color values

HEX	#4F59E3
RGB	rgb(79, 89, 227)
HSL	hsl(236, 73%, 60%)
HSV	hsv(236, 65%, 89%)
CMYK	cmyk(65.2%, 60.8%, 0%, 11%)
CIE-LAB	lab(44.73, 38.84, -71.40)
CIE-LCH	lch(44.73, 81.28, 298.55°)
OKLab	oklab(53.91% 0.0144 -0.2058)
OKLCH	oklch(53.91% 0.206 274)
XYZ	xyz(20.6574, 14.3512, 74.3396)
Luminance	0.1435 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4F59E3 #E3D94F

analogous

#4FA3E3 #4F59E3 #8F4FE3

triadic

#4F59E3 #E34F59 #59E34F

tetradic

#4F59E3 #E34FA3 #E3D94F #4FE38F

square

#4F59E3 #E34FA3 #E3D94F #4FE38F

split-complementary

#4F59E3 #E38F4F #A3E34F

monochromatic

#19229E #222ED3 #4F59E3 #848BEB #B9BDF4

Accessibility & contrast

On white

5.43

#4F59E3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.87

#4F59E3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4F59E3

5.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4F59E3	#FFFFFF	#000000	##FFFFFF
##4F59E3	1.00	5.43	3.87	5.43
#FFFFFF	5.43	1.00	21.00	1.00
#000000	3.87	21.00	1.00	21.00
##FFFFFF	5.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0071E7

Deuteranopia (green-blind)

#0063E0

Tritanopia (blue-blind)

#007C96

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #4f59e3;
/* rgb */ color: rgb(79, 89, 227);
/* oklch */ color: oklch(53.9% 0.206 274.0);

Tailwind

colors: {
  custom: {
    50: '#9088ed',
    500: '#4f59e3',
    950: '#000000',
  },
}

SCSS

$custom: #4f59e3;
$custom-light: #9088ed;
$custom-dark: #000000;

JSON

{
  "hex": "#4f59e3",
  "rgb": {
    "r": 79,
    "g": 89,
    "b": 227
  },
  "hsl": {
    "h": 235.946,
    "s": 72.549,
    "l": 60
  },
  "oklch": {
    "l": 0.53914,
    "c": 0.20628,
    "h": 274
  },
  "luminance": 0.14353
}

Semantic roles & 50–950 ramp

primary

#4F59E3

secondary

#E3E0AA

accent

#E339EF

background

#F9F8FE

surface

#F2EFFD

border

#CCCAD5

text

#0E0B16

muted

#7E7C84

Preview Lab

Preview with #4F59E3

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

Preview Lab → · Contrast checker → · Palette generator →