#4D55BC#4D55BC

#4D55BC is a mid, vivid blue. Relative luminance 0.117; OKLCH L 50.0% C 0.160 H 275.7°. Best body text is #FFFFFF at 6.29:1 contrast (WCAG AA passes).

Color values

HEX	#4D55BC
RGB	rgb(77, 85, 188)
HSL	hsl(236, 45%, 52%)
HSV	hsv(236, 59%, 74%)
CMYK	cmyk(59%, 54.8%, 0%, 26.3%)
CIE-LAB	lab(40.74, 27.90, -55.45)
CIE-LCH	lch(40.74, 62.07, 296.71°)
OKLab	oklab(50.01% 0.0157 -0.159)
OKLCH	oklch(50.01% 0.16 275.7)
XYZ	xyz(15.3832, 11.7045, 49.0158)
Luminance	0.1171 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4D55BC #BCB44D

analogous

#4D8CBC #4D55BC #7D4DBC

triadic

#4D55BC #BC4D55 #55BC4D

tetradic

#4D55BC #BC4D8C #BCB44D #4DBC7D

square

#4D55BC #BC4D8C #BCB44D #4DBC7D

split-complementary

#4D55BC #BC7D4D #8CBC4D

monochromatic

#272C68 #383E94 #4D55BC #797FCD #A6AADD

Accessibility & contrast

On white

6.29

#4D55BC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.34

#4D55BC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4D55BC

6.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4D55BC	#FFFFFF	#000000	##FFFFFF
##4D55BC	1.00	6.29	3.34	6.29
#FFFFFF	6.29	1.00	21.00	1.00
#000000	3.34	21.00	1.00	21.00
##FFFFFF	6.29	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0D65C0

Deuteranopia (green-blind)

#005BBA

Tritanopia (blue-blind)

#006D80

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #4d55bc;
/* rgb */ color: rgb(77, 85, 188);
/* oklch */ color: oklch(50.0% 0.160 275.7);

Tailwind

colors: {
  custom: {
    50: '#8984d1',
    500: '#4d55bc',
    950: '#000000',
  },
}

SCSS

$custom: #4d55bc;
$custom-light: #8984d1;
$custom-dark: #000000;

JSON

{
  "hex": "#4d55bc",
  "rgb": {
    "r": 77,
    "g": 85,
    "b": 188
  },
  "hsl": {
    "h": 235.676,
    "s": 45.306,
    "l": 51.961
  },
  "oklch": {
    "l": 0.50012,
    "c": 0.15975,
    "h": 275.7
  },
  "luminance": 0.11706
}

Semantic roles & 50–950 ramp

primary

#4D55BC

secondary

#CBC79A

accent

#CC53D5

background

#F8F8FC

surface

#F0EFF9

border

#CBCAD2

text

#0C0B14

muted

#7D7C82

Preview Lab

Preview with #4D55BC

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

Preview Lab → · Contrast checker → · Palette generator →