#4D53CB#4D53CB

#4D53CB is a mid, vivid blue. Relative luminance 0.121; OKLCH L 50.8% C 0.183 H 275.6°. Best body text is #FFFFFF at 6.15:1 contrast (WCAG AA passes).

Color values

HEX	#4D53CB
RGB	rgb(77, 83, 203)
HSL	hsl(237, 55%, 55%)
HSV	hsv(237, 62%, 80%)
CMYK	cmyk(62.1%, 59.1%, 0%, 20.4%)
CIE-LAB	lab(41.33, 34.19, -63.20)
CIE-LCH	lch(41.33, 71.86, 298.41°)
OKLab	oklab(50.8% 0.0178 -0.1818)
OKLCH	oklch(50.8% 0.183 275.6)
XYZ	xyz(16.9298, 12.0747, 57.9268)
Luminance	0.1208 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4D53CB #CBC54D

analogous

#4D92CB #4D53CB #864DCB

triadic

#4D53CB #CB4D53 #53CB4D

tetradic

#4D53CB #CB4D92 #CBC54D #4DCB86

square

#4D53CB #CB4D92 #CBC54D #4DCB86

split-complementary

#4D53CB #CB864D #92CB4D

monochromatic

#24287A #3137A9 #4D53CB #7C81D9 #ACAFE7

Accessibility & contrast

On white

6.15

#4D53CB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.42

#4D53CB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4D53CB

6.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4D53CB	#FFFFFF	#000000	##FFFFFF
##4D53CB	1.00	6.15	3.42	6.15
#FFFFFF	6.15	1.00	21.00	1.00
#000000	3.42	21.00	1.00	21.00
##FFFFFF	6.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0067CF

Deuteranopia (green-blind)

#005CC9

Tritanopia (blue-blind)

#007087

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #4d53cb;
/* rgb */ color: rgb(77, 83, 203);
/* oklch */ color: oklch(50.8% 0.183 275.6);

Tailwind

colors: {
  custom: {
    50: '#8c83dc',
    500: '#4d53cb',
    950: '#000000',
  },
}

SCSS

$custom: #4d53cb;
$custom-light: #8c83dc;
$custom-dark: #000000;

JSON

{
  "hex": "#4d53cb",
  "rgb": {
    "r": 77,
    "g": 83,
    "b": 203
  },
  "hsl": {
    "h": 237.143,
    "s": 54.783,
    "l": 54.902
  },
  "oklch": {
    "l": 0.50796,
    "c": 0.18267,
    "h": 275.6
  },
  "luminance": 0.12076
}

Semantic roles & 50–950 ramp

primary

#4D53CB

secondary

#D4D29F

accent

#D74ADE

background

#F9F8FD

surface

#F1EFFB

border

#CBCAD4

text

#0D0A15

muted

#7E7C83

Preview Lab

Preview with #4D53CB

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

Preview Lab → · Contrast checker → · Palette generator →