#4F55D2#4F55D2

#4F55D2 is a mid, vivid blue. Relative luminance 0.128; OKLCH L 51.8% C 0.189 H 275.5°. Best body text is #FFFFFF at 5.89:1 contrast (WCAG AA passes).

Color values

HEX	#4F55D2
RGB	rgb(79, 85, 210)
HSL	hsl(237, 59%, 57%)
HSV	hsv(237, 62%, 82%)
CMYK	cmyk(62.4%, 59.5%, 0%, 17.6%)
CIE-LAB	lab(42.48, 35.62, -65.37)
CIE-LCH	lch(42.48, 74.45, 298.58°)
OKLab	oklab(51.84% 0.0182 -0.1881)
OKLCH	oklch(51.84% 0.189 275.5)
XYZ	xyz(18.1020, 12.8109, 62.4791)
Luminance	0.1281 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4F55D2 #D2CC4F

analogous

#4F97D2 #4F55D2 #8B4FD2

triadic

#4F55D2 #D24F55 #55D24F

tetradic

#4F55D2 #D24F97 #D2CC4F #4FD28B

square

#4F55D2 #D24F97 #D2CC4F #4FD28B

split-complementary

#4F55D2 #D28B4F #97D24F

monochromatic

#222685 #2E35B5 #4F55D2 #8084DE #B0B3EB

Accessibility & contrast

On white

5.89

#4F55D2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.56

#4F55D2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4F55D2

5.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4F55D2	#FFFFFF	#000000	##FFFFFF
##4F55D2	1.00	5.89	3.56	5.89
#FFFFFF	5.89	1.00	21.00	1.00
#000000	3.56	21.00	1.00	21.00
##FFFFFF	5.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006AD6

Deuteranopia (green-blind)

#005FD0

Tritanopia (blue-blind)

#00748B

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #4f55d2;
/* rgb */ color: rgb(79, 85, 210);
/* oklch */ color: oklch(51.8% 0.189 275.5);

Tailwind

colors: {
  custom: {
    50: '#8e85e1',
    500: '#4f55d2',
    950: '#000000',
  },
}

SCSS

$custom: #4f55d2;
$custom-light: #8e85e1;
$custom-dark: #000000;

JSON

{
  "hex": "#4f55d2",
  "rgb": {
    "r": 79,
    "g": 85,
    "b": 210
  },
  "hsl": {
    "h": 237.252,
    "s": 59.276,
    "l": 56.667
  },
  "oklch": {
    "l": 0.51841,
    "c": 0.18899,
    "h": 275.5
  },
  "luminance": 0.12812
}

Semantic roles & 50–950 ramp

primary

#4F55D2

secondary

#D9D7A4

accent

#DB45E2

background

#F9F8FD

surface

#F2EFFB

border

#CCCAD4

text

#0D0B15

muted

#7E7C83

Preview Lab

Preview with #4F55D2

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

Preview Lab → · Contrast checker → · Palette generator →