#4F57E6#4F57E6

#4F57E6 is a mid, highly saturated blue. Relative luminance 0.142; OKLCH L 53.8% C 0.212 H 274.3°. Best body text is #FFFFFF at 5.47:1 contrast (WCAG AA passes).

Color values

HEX	#4F57E6
RGB	rgb(79, 87, 230)
HSL	hsl(237, 75%, 61%)
HSV	hsv(237, 66%, 90%)
CMYK	cmyk(65.7%, 62.2%, 0%, 9.8%)
CIE-LAB	lab(44.50, 41.05, -73.47)
CIE-LCH	lch(44.50, 84.16, 299.19°)
OKLab	oklab(53.82% 0.0158 -0.2119)
OKLCH	oklch(53.82% 0.212 274.3)
XYZ	xyz(20.9108, 14.1900, 76.4845)
Luminance	0.1419 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4F57E6 #E6DE4F

analogous

#4FA2E6 #4F57E6 #924FE6

triadic

#4F57E6 #E64F57 #57E64F

tetradic

#4F57E6 #E64FA2 #E6DE4F #4FE692

square

#4F57E6 #E64FA2 #E6DE4F #4FE692

split-complementary

#4F57E6 #E6924F #A2E64F

monochromatic

#171FA3 #1F29D9 #4F57E6 #858AEE #BABDF5

Accessibility & contrast

On white

5.47

#4F57E6 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.84

#4F57E6 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4F57E6

5.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4F57E6	#FFFFFF	#000000	##FFFFFF
##4F57E6	1.00	5.47	3.84	5.47
#FFFFFF	5.47	1.00	21.00	1.00
#000000	3.84	21.00	1.00	21.00
##FFFFFF	5.47	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0070EB

Deuteranopia (green-blind)

#0063E3

Tritanopia (blue-blind)

#007B96

Achromatopsia (no color)

#696969

Design tokens & code

CSS

--color: #4f57e6;
/* rgb */ color: rgb(79, 87, 230);
/* oklch */ color: oklch(53.8% 0.212 274.3);

Tailwind

colors: {
  custom: {
    50: '#9186ef',
    500: '#4f57e6',
    950: '#000000',
  },
}

SCSS

$custom: #4f57e6;
$custom-light: #9186ef;
$custom-dark: #000000;

JSON

{
  "hex": "#4f57e6",
  "rgb": {
    "r": 79,
    "g": 87,
    "b": 230
  },
  "hsl": {
    "h": 236.821,
    "s": 75.124,
    "l": 60.588
  },
  "oklch": {
    "l": 0.5382,
    "c": 0.21246,
    "h": 274.3
  },
  "luminance": 0.14192
}

Semantic roles & 50–950 ramp

primary

#4F57E6

secondary

#E5E2AC

accent

#CD0ED7

background

#F9F8FE

surface

#F2EFFD

border

#CCCAD5

text

#0E0B17

muted

#7E7C85

Preview Lab

Preview with #4F57E6

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

Preview Lab → · Contrast checker → · Palette generator →