#4F55D7#4F55D7

#4F55D7 is a mid, vivid blue. Relative luminance 0.131; OKLCH L 52.2% C 0.196 H 275.3°. Best body text is #FFFFFF at 5.81:1 contrast (WCAG AA passes).

Color values

HEX	#4F55D7
RGB	rgb(79, 85, 215)
HSL	hsl(237, 63%, 58%)
HSV	hsv(237, 63%, 84%)
CMYK	cmyk(63.3%, 60.5%, 0%, 15.7%)
CIE-LAB	lab(42.86, 37.28, -67.62)
CIE-LCH	lch(42.86, 77.21, 298.87°)
OKLab	oklab(52.24% 0.0181 -0.1947)
OKLCH	oklch(52.24% 0.196 275.3)
XYZ	xyz(18.7347, 13.0640, 65.8111)
Luminance	0.1307 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4F55D7 #D7D14F

analogous

#4F99D7 #4F55D7 #8D4FD7

triadic

#4F55D7 #D74F55 #55D74F

tetradic

#4F55D7 #D74F99 #D7D14F #4FD78D

square

#4F55D7 #D74F99 #D7D14F #4FD78D

split-complementary

#4F55D7 #D78D4F #99D74F

monochromatic

#20258C #2B32BE #4F55D7 #8185E2 #B3B5EE

Accessibility & contrast

On white

5.81

#4F55D7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.61

#4F55D7 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4F55D7

5.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4F55D7	#FFFFFF	#000000	##FFFFFF
##4F55D7	1.00	5.81	3.61	5.81
#FFFFFF	5.81	1.00	21.00	1.00
#000000	3.61	21.00	1.00	21.00
##FFFFFF	5.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006BDB

Deuteranopia (green-blind)

#005FD4

Tritanopia (blue-blind)

#00758E

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #4f55d7;
/* rgb */ color: rgb(79, 85, 215);
/* oklch */ color: oklch(52.2% 0.196 275.3);

Tailwind

colors: {
  custom: {
    50: '#8f85e4',
    500: '#4f55d7',
    950: '#000000',
  },
}

SCSS

$custom: #4f55d7;
$custom-light: #8f85e4;
$custom-dark: #000000;

JSON

{
  "hex": "#4f55d7",
  "rgb": {
    "r": 79,
    "g": 85,
    "b": 215
  },
  "hsl": {
    "h": 237.353,
    "s": 62.963,
    "l": 57.647
  },
  "oklch": {
    "l": 0.52243,
    "c": 0.19555,
    "h": 275.3
  },
  "luminance": 0.13066
}

Semantic roles & 50–950 ramp

primary

#4F55D7

secondary

#DCDAA6

accent

#DF42E6

background

#F9F8FE

surface

#F2EFFC

border

#CCCAD5

text

#0E0B16

muted

#7E7C84

Preview Lab

Preview with #4F55D7

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

Preview Lab → · Contrast checker → · Palette generator →