#4D55CB#4D55CB

#4D55CB is a mid, vivid blue. Relative luminance 0.124; OKLCH L 51.2% C 0.180 H 275.1°. Best body text is #FFFFFF at 6.04:1 contrast (WCAG AA passes).

Color values

HEX	#4D55CB
RGB	rgb(77, 85, 203)
HSL	hsl(236, 55%, 55%)
HSV	hsv(236, 62%, 80%)
CMYK	cmyk(62.1%, 58.1%, 0%, 20.4%)
CIE-LAB	lab(41.82, 32.95, -62.41)
CIE-LCH	lch(41.82, 70.58, 297.83°)
OKLab	oklab(51.16% 0.016 -0.1795)
OKLCH	oklch(51.16% 0.18 275.1)
XYZ	xyz(17.0850, 12.3852, 57.9786)
Luminance	0.1239 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4D55CB #CBC34D

analogous

#4D94CB #4D55CB #844DCB

triadic

#4D55CB #CB4D55 #55CB4D

tetradic

#4D55CB #CB4D94 #CBC34D #4DCB84

square

#4D55CB #CB4D94 #CBC34D #4DCB84

split-complementary

#4D55CB #CB844D #94CB4D

monochromatic

#24297A #3139A9 #4D55CB #7C82D9 #ACAFE7

Accessibility & contrast

On white

6.04

#4D55CB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.48

#4D55CB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4D55CB

6.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4D55CB	#FFFFFF	#000000	##FFFFFF
##4D55CB	1.00	6.04	3.48	6.04
#FFFFFF	6.04	1.00	21.00	1.00
#000000	3.48	21.00	1.00	21.00
##FFFFFF	6.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0068CF

Deuteranopia (green-blind)

#005DC9

Tritanopia (blue-blind)

#007288

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #4d55cb;
/* rgb */ color: rgb(77, 85, 203);
/* oklch */ color: oklch(51.2% 0.180 275.1);

Tailwind

colors: {
  custom: {
    50: '#8b85dc',
    500: '#4d55cb',
    950: '#000000',
  },
}

SCSS

$custom: #4d55cb;
$custom-light: #8b85dc;
$custom-dark: #000000;

JSON

{
  "hex": "#4d55cb",
  "rgb": {
    "r": 77,
    "g": 85,
    "b": 203
  },
  "hsl": {
    "h": 236.19,
    "s": 54.783,
    "l": 54.902
  },
  "oklch": {
    "l": 0.51157,
    "c": 0.18017,
    "h": 275.1
  },
  "luminance": 0.12387
}

Semantic roles & 50–950 ramp

primary

#4D55CB

secondary

#D4D19F

accent

#D54ADE

background

#F9F8FD

surface

#F1EFFB

border

#CBCAD4

text

#0D0B15

muted

#7E7C83

Preview Lab

Preview with #4D55CB

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

Preview Lab → · Contrast checker → · Palette generator →