#4B4BCB#4B4BCB

#4B4BCB is a mid, vivid blue. Relative luminance 0.108; OKLCH L 49.3% C 0.193 H 276.7°. Best body text is #FFFFFF at 6.63:1 contrast (WCAG AA passes).

Color values

HEX	#4B4BCB
RGB	rgb(75, 75, 203)
HSL	hsl(240, 55%, 55%)
HSV	hsv(240, 63%, 80%)
CMYK	cmyk(63.1%, 63.1%, 0%, 20.4%)
CIE-LAB	lab(39.31, 38.79, -66.51)
CIE-LCH	lch(39.31, 77.00, 300.25°)
OKLab	oklab(49.27% 0.0223 -0.1916)
OKLCH	oklch(49.27% 0.193 276.7)
XYZ	xyz(16.1937, 10.8385, 57.7270)
Luminance	0.1084 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4B4BCB #CBCB4B

analogous

#4B8BCB #4B4BCB #8B4BCB

triadic

#4B4BCB #CB4B4B #4BCB4B

tetradic

#4B4BCB #CB4B8B #CBCB4B #4BCB8B

square

#4B4BCB #CB4B8B #CBCB4B #4BCB8B

split-complementary

#4B4BCB #CB8B4B #8BCB4B

monochromatic

#232379 #3131A8 #4B4BCB #7A7AD9 #AAAAE6

Accessibility & contrast

On white

6.63

#4B4BCB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.17

#4B4BCB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4B4BCB

6.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B4BCB	#FFFFFF	#000000	##FFFFFF
##4B4BCB	1.00	6.63	3.17	6.63
#FFFFFF	6.63	1.00	21.00	1.00
#000000	3.17	21.00	1.00	21.00
##FFFFFF	6.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0062CF

Deuteranopia (green-blind)

#0057C8

Tritanopia (blue-blind)

#006B84

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #4b4bcb;
/* rgb */ color: rgb(75, 75, 203);
/* oklch */ color: oklch(49.3% 0.193 276.7);

Tailwind

colors: {
  custom: {
    50: '#8b7edc',
    500: '#4b4bcb',
    950: '#000000',
  },
}

SCSS

$custom: #4b4bcb;
$custom-light: #8b7edc;
$custom-dark: #000000;

JSON

{
  "hex": "#4b4bcb",
  "rgb": {
    "r": 75,
    "g": 75,
    "b": 203
  },
  "hsl": {
    "h": 240,
    "s": 55.172,
    "l": 54.51
  },
  "oklch": {
    "l": 0.4927,
    "c": 0.19293,
    "h": 276.7
  },
  "luminance": 0.1084
}

Semantic roles & 50–950 ramp

primary

#4B4BCB

secondary

#D4D49E

accent

#DF49DF

background

#F9F7FD

surface

#F1EEFB

border

#CBC9D4

text

#0D0A15

muted

#7E7C83

Preview Lab

Preview with #4B4BCB

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

Preview Lab → · Contrast checker → · Palette generator →