#4C53BB#4C53BB

#4C53BB is a mid, vivid blue. Relative luminance 0.113; OKLCH L 49.5% C 0.161 H 275.9°. Best body text is #FFFFFF at 6.44:1 contrast (WCAG AA passes).

Color values

HEX	#4C53BB
RGB	rgb(76, 83, 187)
HSL	hsl(236, 45%, 52%)
HSV	hsv(236, 59%, 73%)
CMYK	cmyk(59.4%, 55.6%, 0%, 26.7%)
CIE-LAB	lab(40.10, 28.65, -55.91)
CIE-LCH	lch(40.10, 62.82, 297.13°)
OKLab	oklab(49.49% 0.0166 -0.1604)
OKLCH	oklch(49.49% 0.161 275.9)
XYZ	xyz(15.0405, 11.3097, 48.3945)
Luminance	0.1131 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4C53BB #BBB44C

analogous

#4C8BBB #4C53BB #7D4CBB

triadic

#4C53BB #BB4C53 #53BB4C

tetradic

#4C53BB #BB4C8B #BBB44C #4CBB7D

square

#4C53BB #BB4C8B #BBB44C #4CBB7D

split-complementary

#4C53BB #BB7D4C #8BBB4C

monochromatic

#272B66 #383D92 #4C53BB #787ECC #A5A8DD

Accessibility & contrast

On white

6.44

#4C53BB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.26

#4C53BB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4C53BB

6.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4C53BB	#FFFFFF	#000000	##FFFFFF
##4C53BB	1.00	6.44	3.26	6.44
#FFFFFF	6.44	1.00	21.00	1.00
#000000	3.26	21.00	1.00	21.00
##FFFFFF	6.44	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0163BF

Deuteranopia (green-blind)

#005AB9

Tritanopia (blue-blind)

#006B7F

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #4c53bb;
/* rgb */ color: rgb(76, 83, 187);
/* oklch */ color: oklch(49.5% 0.161 275.9);

Tailwind

colors: {
  custom: {
    50: '#8883d0',
    500: '#4c53bb',
    950: '#000000',
  },
}

SCSS

$custom: #4c53bb;
$custom-light: #8883d0;
$custom-dark: #000000;

JSON

{
  "hex": "#4c53bb",
  "rgb": {
    "r": 76,
    "g": 83,
    "b": 187
  },
  "hsl": {
    "h": 236.216,
    "s": 44.939,
    "l": 51.569
  },
  "oklch": {
    "l": 0.4949,
    "c": 0.16123,
    "h": 275.9
  },
  "luminance": 0.11311
}

Semantic roles & 50–950 ramp

primary

#4C53BB

secondary

#CAC799

accent

#CC53D5

background

#F8F8FC

surface

#F0EFF9

border

#CBCAD2

text

#0C0A14

muted

#7D7C82

Preview Lab

Preview with #4C53BB

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

Preview Lab → · Contrast checker → · Palette generator →