#4F57D5#4F57D5

#4F57D5 is a mid, vivid blue. Relative luminance 0.133; OKLCH L 52.4% C 0.190 H 274.9°. Best body text is #FFFFFF at 5.74:1 contrast (WCAG AA passes).

Color values

HEX	#4F57D5
RGB	rgb(79, 87, 213)
HSL	hsl(236, 61%, 57%)
HSV	hsv(236, 63%, 84%)
CMYK	cmyk(62.9%, 59.2%, 0%, 16.5%)
CIE-LAB	lab(43.18, 35.39, -65.94)
CIE-LCH	lch(43.18, 74.84, 298.22°)
OKLab	oklab(52.43% 0.0164 -0.1898)
OKLCH	oklch(52.43% 0.19 274.9)
XYZ	xyz(18.6389, 13.2812, 64.5192)
Luminance	0.1328 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4F57D5 #D5CD4F

analogous

#4F9AD5 #4F57D5 #8A4FD5

triadic

#4F57D5 #D54F57 #57D54F

tetradic

#4F57D5 #D54F9A #D5CD4F #4FD58A

square

#4F57D5 #D54F9A #D5CD4F #4FD58A

split-complementary

#4F57D5 #D58A4F #9AD54F

monochromatic

#212789 #2C35BA #4F57D5 #8086E1 #B2B5ED

Accessibility & contrast

On white

5.74

#4F57D5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.66

#4F57D5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4F57D5

5.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4F57D5	#FFFFFF	#000000	##FFFFFF
##4F57D5	1.00	5.74	3.66	5.74
#FFFFFF	5.74	1.00	21.00	1.00
#000000	3.66	21.00	1.00	21.00
##FFFFFF	5.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006CD9

Deuteranopia (green-blind)

#0060D2

Tritanopia (blue-blind)

#00768E

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #4f57d5;
/* rgb */ color: rgb(79, 87, 213);
/* oklch */ color: oklch(52.4% 0.190 274.9);

Tailwind

colors: {
  custom: {
    50: '#8e86e3',
    500: '#4f57d5',
    950: '#000000',
  },
}

SCSS

$custom: #4f57d5;
$custom-light: #8e86e3;
$custom-dark: #000000;

JSON

{
  "hex": "#4f57d5",
  "rgb": {
    "r": 79,
    "g": 87,
    "b": 213
  },
  "hsl": {
    "h": 236.418,
    "s": 61.468,
    "l": 57.255
  },
  "oklch": {
    "l": 0.52435,
    "c": 0.19048,
    "h": 274.9
  },
  "luminance": 0.13283
}

Semantic roles & 50–950 ramp

primary

#4F57D5

secondary

#DBD8A5

accent

#DB43E5

background

#F9F8FE

surface

#F2EFFC

border

#CCCAD5

text

#0E0B16

muted

#7E7C84

Preview Lab

Preview with #4F57D5

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

Preview Lab → · Contrast checker → · Palette generator →