#4F55DD#4F55DD

#4F55DD is a mid, highly saturated blue. Relative luminance 0.134; OKLCH L 52.7% C 0.203 H 275.0°. Best body text is #FFFFFF at 5.71:1 contrast (WCAG AA passes).

Color values

HEX	#4F55DD
RGB	rgb(79, 85, 221)
HSL	hsl(237, 68%, 59%)
HSV	hsv(237, 64%, 87%)
CMYK	cmyk(64.3%, 61.5%, 0%, 13.3%)
CIE-LAB	lab(43.33, 39.27, -70.28)
CIE-LCH	lch(43.33, 80.51, 299.20°)
OKLab	oklab(52.73% 0.0178 -0.2025)
OKLCH	oklch(52.73% 0.203 275)
XYZ	xyz(19.5198, 13.3780, 69.9462)
Luminance	0.1338 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4F55DD #DDD74F

analogous

#4F9CDD #4F55DD #904FDD

triadic

#4F55DD #DD4F55 #55DD4F

tetradic

#4F55DD #DD4F9C #DDD74F #4FDD90

square

#4F55DD #DD4F9C #DDD74F #4FDD90

split-complementary

#4F55DD #DD904F #9CDD4F

monochromatic

#1D2295 #272DC8 #4F55DD #8287E7 #B6B8F1

Accessibility & contrast

On white

5.71

#4F55DD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.68

#4F55DD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4F55DD

5.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4F55DD	#FFFFFF	#000000	##FFFFFF
##4F55DD	1.00	5.71	3.68	5.71
#FFFFFF	5.71	1.00	21.00	1.00
#000000	3.68	21.00	1.00	21.00
##FFFFFF	5.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006DE1

Deuteranopia (green-blind)

#0060DA

Tritanopia (blue-blind)

#007791

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #4f55dd;
/* rgb */ color: rgb(79, 85, 221);
/* oklch */ color: oklch(52.7% 0.203 275.0);

Tailwind

colors: {
  custom: {
    50: '#9085e9',
    500: '#4f55dd',
    950: '#000000',
  },
}

SCSS

$custom: #4f55dd;
$custom-light: #9085e9;
$custom-dark: #000000;

JSON

{
  "hex": "#4f55dd",
  "rgb": {
    "r": 79,
    "g": 85,
    "b": 221
  },
  "hsl": {
    "h": 237.465,
    "s": 67.619,
    "l": 58.824
  },
  "oklch": {
    "l": 0.52734,
    "c": 0.20331,
    "h": 275
  },
  "luminance": 0.1338
}

Semantic roles & 50–950 ramp

primary

#4F55DD

secondary

#E0DEA8

accent

#E33DEA

background

#F9F8FE

surface

#F2EFFD

border

#CCCAD5

text

#0E0B16

muted

#7E7C84

Preview Lab

Preview with #4F55DD

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

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