#4D55DD#4D55DD

#4D55DD is a mid, highly saturated blue. Relative luminance 0.133; OKLCH L 52.6% C 0.204 H 274.4°. Best body text is #FFFFFF at 5.74:1 contrast (WCAG AA passes).

Color values

HEX	#4D55DD
RGB	rgb(77, 85, 221)
HSL	hsl(237, 68%, 58%)
HSV	hsv(237, 65%, 87%)
CMYK	cmyk(65.2%, 61.5%, 0%, 13.3%)
CIE-LAB	lab(43.20, 38.99, -70.49)
CIE-LCH	lch(43.20, 80.55, 298.95°)
OKLab	oklab(52.61% 0.0156 -0.2032)
OKLCH	oklch(52.61% 0.204 274.4)
XYZ	xyz(19.3559, 13.2935, 69.9385)
Luminance	0.1330 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4D55DD #DDD54D

analogous

#4D9DDD #4D55DD #8D4DDD

triadic

#4D55DD #DD4D55 #55DD4D

tetradic

#4D55DD #DD4D9D #DDD54D #4DDD8D

square

#4D55DD #DD4D9D #DDD54D #4DDD8D

split-complementary

#4D55DD #DD8D4D #9DDD4D

monochromatic

#1C2393 #262FC7 #4D55DD #8086E7 #B4B7F1

Accessibility & contrast

On white

5.74

#4D55DD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.66

#4D55DD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4D55DD

5.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4D55DD	#FFFFFF	#000000	##FFFFFF
##4D55DD	1.00	5.74	3.66	5.74
#FFFFFF	5.74	1.00	21.00	1.00
#000000	3.66	21.00	1.00	21.00
##FFFFFF	5.74	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: #4d55dd;
/* rgb */ color: rgb(77, 85, 221);
/* oklch */ color: oklch(52.6% 0.204 274.4);

Tailwind

colors: {
  custom: {
    50: '#8f85e9',
    500: '#4d55dd',
    950: '#000000',
  },
}

SCSS

$custom: #4d55dd;
$custom-light: #8f85e9;
$custom-dark: #000000;

JSON

{
  "hex": "#4d55dd",
  "rgb": {
    "r": 77,
    "g": 85,
    "b": 221
  },
  "hsl": {
    "h": 236.667,
    "s": 67.925,
    "l": 58.431
  },
  "oklch": {
    "l": 0.52609,
    "c": 0.20379,
    "h": 274.4
  },
  "luminance": 0.13295
}

Semantic roles & 50–950 ramp

primary

#4D55DD

secondary

#DFDCA6

accent

#E13DEB

background

#F9F8FE

surface

#F2EFFD

border

#CCCAD5

text

#0E0B16

muted

#7E7C84

Preview Lab

Preview with #4D55DD

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

Preview Lab → · Contrast checker → · Palette generator →