#4F55CD#4F55CD

#4F55CD is a mid, vivid blue. Relative luminance 0.126; OKLCH L 51.4% C 0.182 H 275.8°. Best body text is #FFFFFF at 5.98:1 contrast (WCAG AA passes).

Color values

HEX	#4F55CD
RGB	rgb(79, 85, 205)
HSL	hsl(237, 56%, 56%)
HSV	hsv(237, 61%, 80%)
CMYK	cmyk(61.5%, 58.5%, 0%, 19.6%)
CIE-LAB	lab(42.10, 33.95, -63.11)
CIE-LCH	lch(42.10, 71.66, 298.28°)
OKLab	oklab(51.44% 0.0183 -0.1814)
OKLCH	oklch(51.44% 0.182 275.8)
XYZ	xyz(17.4888, 12.5657, 59.2496)
Luminance	0.1257 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4F55CD #CDC74F

analogous

#4F94CD #4F55CD #884FCD

triadic

#4F55CD #CD4F55 #55CD4F

tetradic

#4F55CD #CD4F94 #CDC74F #4FCD88

square

#4F55CD #CD4F94 #CDC74F #4FCD88

split-complementary

#4F55CD #CD884F #94CD4F

monochromatic

#24287E #3137AE #4F55CD #7F83DB #AEB1E8

Accessibility & contrast

On white

5.98

#4F55CD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.51

#4F55CD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4F55CD

5.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4F55CD	#FFFFFF	#000000	##FFFFFF
##4F55CD	1.00	5.98	3.51	5.98
#FFFFFF	5.98	1.00	21.00	1.00
#000000	3.51	21.00	1.00	21.00
##FFFFFF	5.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0069D1

Deuteranopia (green-blind)

#005ECB

Tritanopia (blue-blind)

#007289

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #4f55cd;
/* rgb */ color: rgb(79, 85, 205);
/* oklch */ color: oklch(51.4% 0.182 275.8);

Tailwind

colors: {
  custom: {
    50: '#8d85dd',
    500: '#4f55cd',
    950: '#000000',
  },
}

SCSS

$custom: #4f55cd;
$custom-light: #8d85dd;
$custom-dark: #000000;

JSON

{
  "hex": "#4f55cd",
  "rgb": {
    "r": 79,
    "g": 85,
    "b": 205
  },
  "hsl": {
    "h": 237.143,
    "s": 55.752,
    "l": 55.686
  },
  "oklch": {
    "l": 0.51445,
    "c": 0.18237,
    "h": 275.8
  },
  "luminance": 0.12567
}

Semantic roles & 50–950 ramp

primary

#4F55CD

secondary

#D6D4A2

accent

#D849DF

background

#F9F8FD

surface

#F2EFFB

border

#CCCAD4

text

#0D0B15

muted

#7E7C83

Preview Lab

Preview with #4F55CD

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

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