#4C50BB#4C50BB

#4C50BB is a mid, vivid blue. Relative luminance 0.109; OKLCH L 48.9% C 0.165 H 276.8°. Best body text is #FFFFFF at 6.62:1 contrast (WCAG AA passes).

Color values

HEX	#4C50BB
RGB	rgb(76, 80, 187)
HSL	hsl(238, 45%, 52%)
HSV	hsv(238, 59%, 73%)
CMYK	cmyk(59.4%, 57.2%, 0%, 26.7%)
CIE-LAB	lab(39.34, 30.54, -57.13)
CIE-LCH	lch(39.34, 64.78, 298.13°)
OKLab	oklab(48.93% 0.0195 -0.164)
OKLCH	oklch(48.93% 0.165 276.8)
XYZ	xyz(14.8159, 10.8606, 48.3196)
Luminance	0.1086 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 6.18

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4C50BB #BBB74C

analogous

#4C88BB #4C50BB #804CBB

triadic

#4C50BB #BB4C50 #50BB4C

tetradic

#4C50BB #BB4C88 #BBB74C #4CBB80

square

#4C50BB #BB4C88 #BBB74C #4CBB80

split-complementary

#4C50BB #BB804C #88BB4C

monochromatic

#272966 #383B92 #4C50BB #787BCC #A5A7DD

Accessibility & contrast

On white

6.62

#4C50BB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.17

#4C50BB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4C50BB

6.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4C50BB	#FFFFFF	#000000	##FFFFFF
##4C50BB	1.00	6.62	3.17	6.62
#FFFFFF	6.62	1.00	21.00	1.00
#000000	3.17	21.00	1.00	21.00
##FFFFFF	6.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0061BF

Deuteranopia (green-blind)

#0058B9

Tritanopia (blue-blind)

#00697D

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #4c50bb;
/* rgb */ color: rgb(76, 80, 187);
/* oklch */ color: oklch(48.9% 0.165 276.8);

Tailwind

colors: {
  custom: {
    50: '#8881d0',
    500: '#4c50bb',
    950: '#000000',
  },
}

SCSS

$custom: #4c50bb;
$custom-light: #8881d0;
$custom-dark: #000000;

JSON

{
  "hex": "#4c50bb",
  "rgb": {
    "r": 76,
    "g": 80,
    "b": 187
  },
  "hsl": {
    "h": 237.838,
    "s": 44.939,
    "l": 51.569
  },
  "oklch": {
    "l": 0.4893,
    "c": 0.16515,
    "h": 276.8
  },
  "luminance": 0.10862
}

Semantic roles & 50–950 ramp

primary

#4C50BB

secondary

#CAC899

accent

#D053D5

background

#F8F7FC

surface

#F0EEF9

border

#CBC9D2

text

#0C0A14

muted

#7D7C82

Preview Lab

Preview with #4C50BB

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

Preview Lab → · Contrast checker → · Palette generator →