#4B4BB5#4B4BB5

#4B4BB5 is a mid, vivid blue. Relative luminance 0.099; OKLCH L 47.5% C 0.164 H 278.2°. Best body text is #FFFFFF at 7.06:1 contrast (WCAG AA passes).

Color values

HEX	#4B4BB5
RGB	rgb(75, 75, 181)
HSL	hsl(240, 42%, 50%)
HSV	hsv(240, 59%, 71%)
CMYK	cmyk(58.6%, 58.6%, 0%, 29%)
CIE-LAB	lab(37.60, 31.50, -56.44)
CIE-LCH	lch(37.60, 64.64, 299.16°)
OKLab	oklab(47.48% 0.0232 -0.162)
OKLCH	oklch(47.48% 0.164 278.2)
XYZ	xyz(13.7556, 9.8632, 44.8860)
Luminance	0.0986 (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

#4B4BB5 #B5B54B

analogous

#4B80B5 #4B4BB5 #804BB5

triadic

#4B4BB5 #B54B4B #4BB54B

tetradic

#4B4BB5 #B54B80 #B5B54B #4BB580

square

#4B4BB5 #B54B80 #B5B54B #4BB580

split-complementary

#4B4BB5 #B5804B #80B54B

monochromatic

#27275F #39398A #4B4BB5 #7676C7 #A2A2D9

Accessibility & contrast

On white

7.06

#4B4BB5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.97

#4B4BB5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4B4BB5

7.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B4BB5	#FFFFFF	#000000	##FFFFFF
##4B4BB5	1.00	7.06	2.97	7.06
#FFFFFF	7.06	1.00	21.00	1.00
#000000	2.97	21.00	1.00	21.00
##FFFFFF	7.06	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005DB9

Deuteranopia (green-blind)

#0054B3

Tritanopia (blue-blind)

#016478

Achromatopsia (no color)

#585858

Design tokens & code

CSS

--color: #4b4bb5;
/* rgb */ color: rgb(75, 75, 181);
/* oklch */ color: oklch(47.5% 0.164 278.2);

Tailwind

colors: {
  custom: {
    50: '#877dcc',
    500: '#4b4bb5',
    950: '#000000',
  },
}

SCSS

$custom: #4b4bb5;
$custom-light: #877dcc;
$custom-dark: #000000;

JSON

{
  "hex": "#4b4bb5",
  "rgb": {
    "r": 75,
    "g": 75,
    "b": 181
  },
  "hsl": {
    "h": 240,
    "s": 41.732,
    "l": 50.196
  },
  "oklch": {
    "l": 0.47475,
    "c": 0.1637,
    "h": 278.2
  },
  "luminance": 0.09864
}

Semantic roles & 50–950 ramp

primary

#4B4BB5

secondary

#C6C696

accent

#D256D2

background

#F8F7FC

surface

#F0EEF9

border

#CBC9D2

text

#0C0913

muted

#7D7B82

Preview Lab

Preview with #4B4BB5

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

Preview Lab → · Contrast checker → · Palette generator →