#4B4BCF#4B4BCF

#4B4BCF is a mid, vivid blue. Relative luminance 0.110; OKLCH L 49.6% C 0.198 H 276.4°. Best body text is #FFFFFF at 6.55:1 contrast (WCAG AA passes).

Color values

HEX	#4B4BCF
RGB	rgb(75, 75, 207)
HSL	hsl(240, 58%, 55%)
HSV	hsv(240, 64%, 81%)
CMYK	cmyk(63.8%, 63.8%, 0%, 18.8%)
CIE-LAB	lab(39.63, 40.11, -68.29)
CIE-LCH	lch(39.63, 79.20, 300.43°)
OKLab	oklab(49.61% 0.0221 -0.1969)
OKLCH	oklch(49.61% 0.198 276.4)
XYZ	xyz(16.6765, 11.0316, 60.2699)
Luminance	0.1103 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Warm Blue

#4B57DB

ΔE00 3.96

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4B4BCF #CFCF4B

analogous

#4B8DCF #4B4BCF #8D4BCF

triadic

#4B4BCF #CF4B4B #4BCF4B

tetradic

#4B4BCF #CF4B8D #CFCF4B #4BCF8D

square

#4B4BCF #CF4B8D #CFCF4B #4BCF8D

split-complementary

#4B4BCF #CF8D4B #8DCF4B

monochromatic

#22227E #2E2EAE #4B4BCF #7B7BDC #ACACE9

Accessibility & contrast

On white

6.55

#4B4BCF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.21

#4B4BCF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4B4BCF

6.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B4BCF	#FFFFFF	#000000	##FFFFFF
##4B4BCF	1.00	6.55	3.21	6.55
#FFFFFF	6.55	1.00	21.00	1.00
#000000	3.21	21.00	1.00	21.00
##FFFFFF	6.55	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0063D3

Deuteranopia (green-blind)

#0058CC

Tritanopia (blue-blind)

#006D86

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #4b4bcf;
/* rgb */ color: rgb(75, 75, 207);
/* oklch */ color: oklch(49.6% 0.198 276.4);

Tailwind

colors: {
  custom: {
    50: '#8c7edf',
    500: '#4b4bcf',
    950: '#000000',
  },
}

SCSS

$custom: #4b4bcf;
$custom-light: #8c7edf;
$custom-dark: #000000;

JSON

{
  "hex": "#4b4bcf",
  "rgb": {
    "r": 75,
    "g": 75,
    "b": 207
  },
  "hsl": {
    "h": 240,
    "s": 57.895,
    "l": 55.294
  },
  "oklch": {
    "l": 0.4961,
    "c": 0.19809,
    "h": 276.4
  },
  "luminance": 0.11033
}

Semantic roles & 50–950 ramp

primary

#4B4BCF

secondary

#D6D69F

accent

#E147E1

background

#F9F7FD

surface

#F2EEFB

border

#CCC9D4

text

#0D0A15

muted

#7E7C83

Preview Lab

Preview with #4B4BCF

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

Preview Lab → · Contrast checker → · Palette generator →