#4F57D6#4F57D6

#4F57D6 is a mid, vivid blue. Relative luminance 0.133; OKLCH L 52.5% C 0.192 H 274.9°. Best body text is #FFFFFF at 5.73:1 contrast (WCAG AA passes).

Color values

HEX	#4F57D6
RGB	rgb(79, 87, 214)
HSL	hsl(236, 62%, 57%)
HSV	hsv(236, 63%, 84%)
CMYK	cmyk(63.1%, 59.3%, 0%, 16.1%)
CIE-LAB	lab(43.26, 35.72, -66.39)
CIE-LCH	lch(43.26, 75.39, 298.28°)
OKLab	oklab(52.52% 0.0164 -0.1911)
OKLCH	oklch(52.52% 0.192 274.9)
XYZ	xyz(18.7663, 13.3321, 65.1897)
Luminance	0.1333 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4F57D6 #D6CE4F

analogous

#4F9BD6 #4F57D6 #8A4FD6

triadic

#4F57D6 #D64F57 #57D64F

tetradic

#4F57D6 #D64F9B #D6CE4F #4FD68A

square

#4F57D6 #D64F9B #D6CE4F #4FD68A

split-complementary

#4F57D6 #D68A4F #9BD64F

monochromatic

#20278A #2C34BC #4F57D6 #8186E2 #B2B6ED

Accessibility & contrast

On white

5.73

#4F57D6 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.67

#4F57D6 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4F57D6

5.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4F57D6	#FFFFFF	#000000	##FFFFFF
##4F57D6	1.00	5.73	3.67	5.73
#FFFFFF	5.73	1.00	21.00	1.00
#000000	3.67	21.00	1.00	21.00
##FFFFFF	5.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006CDA

Deuteranopia (green-blind)

#0060D3

Tritanopia (blue-blind)

#00768E

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #4f57d6;
/* rgb */ color: rgb(79, 87, 214);
/* oklch */ color: oklch(52.5% 0.192 274.9);

Tailwind

colors: {
  custom: {
    50: '#8e86e4',
    500: '#4f57d6',
    950: '#000000',
  },
}

SCSS

$custom: #4f57d6;
$custom-light: #8e86e4;
$custom-dark: #000000;

JSON

{
  "hex": "#4f57d6",
  "rgb": {
    "r": 79,
    "g": 87,
    "b": 214
  },
  "hsl": {
    "h": 236.444,
    "s": 62.212,
    "l": 57.451
  },
  "oklch": {
    "l": 0.52515,
    "c": 0.19179,
    "h": 274.9
  },
  "luminance": 0.13334
}

Semantic roles & 50–950 ramp

primary

#4F57D6

secondary

#DCD8A5

accent

#DC43E5

background

#F9F8FE

surface

#F2EFFC

border

#CCCAD5

text

#0E0B16

muted

#7E7C84

Preview Lab

Preview with #4F57D6

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

Preview Lab → · Contrast checker → · Palette generator →