#4B5BD9#4B5BD9

#4B5BD9 is a mid, vivid blue. Relative luminance 0.140; OKLCH L 53.2% C 0.192 H 272.6°. Best body text is #FFFFFF at 5.53:1 contrast (WCAG AA passes).

Color values

HEX	#4B5BD9
RGB	rgb(75, 91, 217)
HSL	hsl(233, 65%, 57%)
HSV	hsv(233, 65%, 85%)
CMYK	cmyk(65.4%, 58.1%, 0%, 14.9%)
CIE-LAB	lab(44.21, 33.65, -66.57)
CIE-LCH	lch(44.21, 74.59, 296.81°)
OKLab	oklab(53.23% 0.0087 -0.1917)
OKLCH	oklch(53.23% 0.192 272.6)
XYZ	xyz(19.1629, 13.9861, 67.3219)
Luminance	0.1399 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4B5BD9 #D9C94B

analogous

#4BA2D9 #4B5BD9 #824BD9

triadic

#4B5BD9 #D94B5B #5BD94B

tetradic

#4B5BD9 #D94BA2 #D9C94B #4BD982

square

#4B5BD9 #D94BA2 #D9C94B #4BD982

split-complementary

#4B5BD9 #D9824B #A2D94B

monochromatic

#1E2A8C #2839BF #4B5BD9 #7E89E4 #B0B7EE

Accessibility & contrast

On white

5.53

#4B5BD9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.80

#4B5BD9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4B5BD9

5.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B5BD9	#FFFFFF	#000000	##FFFFFF
##4B5BD9	1.00	5.53	3.80	5.53
#FFFFFF	5.53	1.00	21.00	1.00
#000000	3.80	21.00	1.00	21.00
##FFFFFF	5.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006FDD

Deuteranopia (green-blind)

#0062D6

Tritanopia (blue-blind)

#007A91

Achromatopsia (no color)

#696969

Design tokens & code

CSS

--color: #4b5bd9;
/* rgb */ color: rgb(75, 91, 217);
/* oklch */ color: oklch(53.2% 0.192 272.6);

Tailwind

colors: {
  custom: {
    50: '#8d89e6',
    500: '#4b5bd9',
    950: '#000000',
  },
}

SCSS

$custom: #4b5bd9;
$custom-light: #8d89e6;
$custom-dark: #000000;

JSON

{
  "hex": "#4b5bd9",
  "rgb": {
    "r": 75,
    "g": 91,
    "b": 217
  },
  "hsl": {
    "h": 233.239,
    "s": 65.138,
    "l": 57.255
  },
  "oklch": {
    "l": 0.53228,
    "c": 0.19187,
    "h": 272.6
  },
  "luminance": 0.13988
}

Semantic roles & 50–950 ramp

primary

#4B5BD9

secondary

#DDD6A3

accent

#D540E8

background

#F9F8FE

surface

#F2F0FC

border

#CCCBD5

text

#0D0B16

muted

#7E7C84

Preview Lab

Preview with #4B5BD9

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

Preview Lab → · Contrast checker → · Palette generator →