#4F55D5#4F55D5

#4F55D5 is a mid, vivid blue. Relative luminance 0.130; OKLCH L 52.1% C 0.193 H 275.4°. Best body text is #FFFFFF at 5.85:1 contrast (WCAG AA passes).

Color values

HEX	#4F55D5
RGB	rgb(79, 85, 213)
HSL	hsl(237, 61%, 57%)
HSV	hsv(237, 63%, 84%)
CMYK	cmyk(62.9%, 60.1%, 0%, 16.5%)
CIE-LAB	lab(42.71, 36.62, -66.72)
CIE-LCH	lch(42.71, 76.11, 298.76°)
OKLab	oklab(52.08% 0.0181 -0.1921)
OKLCH	oklch(52.08% 0.193 275.4)
XYZ	xyz(18.4793, 12.9618, 64.4660)
Luminance	0.1296 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4F55D5 #D5CF4F

analogous

#4F98D5 #4F55D5 #8C4FD5

triadic

#4F55D5 #D54F55 #55D54F

tetradic

#4F55D5 #D54F98 #D5CF4F #4FD58C

square

#4F55D5 #D54F98 #D5CF4F #4FD58C

split-complementary

#4F55D5 #D58C4F #98D54F

monochromatic

#212589 #2C33BA #4F55D5 #8085E1 #B2B4ED

Accessibility & contrast

On white

5.85

#4F55D5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.59

#4F55D5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4F55D5

5.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4F55D5	#FFFFFF	#000000	##FFFFFF
##4F55D5	1.00	5.85	3.59	5.85
#FFFFFF	5.85	1.00	21.00	1.00
#000000	3.59	21.00	1.00	21.00
##FFFFFF	5.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006BD9

Deuteranopia (green-blind)

#005FD2

Tritanopia (blue-blind)

#00758D

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #4f55d5;
/* rgb */ color: rgb(79, 85, 213);
/* oklch */ color: oklch(52.1% 0.193 275.4);

Tailwind

colors: {
  custom: {
    50: '#8e85e3',
    500: '#4f55d5',
    950: '#000000',
  },
}

SCSS

$custom: #4f55d5;
$custom-light: #8e85e3;
$custom-dark: #000000;

JSON

{
  "hex": "#4f55d5",
  "rgb": {
    "r": 79,
    "g": 85,
    "b": 213
  },
  "hsl": {
    "h": 237.313,
    "s": 61.468,
    "l": 57.255
  },
  "oklch": {
    "l": 0.52082,
    "c": 0.19293,
    "h": 275.4
  },
  "luminance": 0.12963
}

Semantic roles & 50–950 ramp

primary

#4F55D5

secondary

#DBD9A5

accent

#DD43E5

background

#F9F8FE

surface

#F2EFFC

border

#CCCAD5

text

#0E0B16

muted

#7E7C84

Preview Lab

Preview with #4F55D5

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

Preview Lab → · Contrast checker → · Palette generator →