#4B5BDA#4B5BDA

#4B5BDA is a mid, vivid blue. Relative luminance 0.140; OKLCH L 53.3% C 0.193 H 272.6°. Best body text is #FFFFFF at 5.51:1 contrast (WCAG AA passes).

Color values

HEX	#4B5BDA
RGB	rgb(75, 91, 218)
HSL	hsl(233, 66%, 57%)
HSV	hsv(233, 66%, 85%)
CMYK	cmyk(65.6%, 58.3%, 0%, 14.5%)
CIE-LAB	lab(44.29, 33.99, -67.02)
CIE-LCH	lch(44.29, 75.14, 296.89°)
OKLab	oklab(53.31% 0.0087 -0.193)
OKLCH	oklch(53.31% 0.193 272.6)
XYZ	xyz(19.2934, 14.0382, 68.0090)
Luminance	0.1404 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4B5BDA #DACA4B

analogous

#4BA2DA #4B5BDA #834BDA

triadic

#4B5BDA #DA4B5B #5BDA4B

tetradic

#4B5BDA #DA4BA2 #DACA4B #4BDA83

square

#4B5BDA #DA4BA2 #DACA4B #4BDA83

split-complementary

#4B5BDA #DA834B #A2DA4B

monochromatic

#1D2A8E #2839C0 #4B5BDA #7E89E4 #B1B8EF

Accessibility & contrast

On white

5.51

#4B5BDA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.81

#4B5BDA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4B5BDA

5.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B5BDA	#FFFFFF	#000000	##FFFFFF
##4B5BDA	1.00	5.51	3.81	5.51
#FFFFFF	5.51	1.00	21.00	1.00
#000000	3.81	21.00	1.00	21.00
##FFFFFF	5.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006FDE

Deuteranopia (green-blind)

#0062D7

Tritanopia (blue-blind)

#007A92

Achromatopsia (no color)

#696969

Design tokens & code

CSS

--color: #4b5bda;
/* rgb */ color: rgb(75, 91, 218);
/* oklch */ color: oklch(53.3% 0.193 272.6);

Tailwind

colors: {
  custom: {
    50: '#8d89e6',
    500: '#4b5bda',
    950: '#000000',
  },
}

SCSS

$custom: #4b5bda;
$custom-light: #8d89e6;
$custom-dark: #000000;

JSON

{
  "hex": "#4b5bda",
  "rgb": {
    "r": 75,
    "g": 91,
    "b": 218
  },
  "hsl": {
    "h": 233.287,
    "s": 65.899,
    "l": 57.451
  },
  "oklch": {
    "l": 0.53307,
    "c": 0.19318,
    "h": 272.6
  },
  "luminance": 0.1404
}

Semantic roles & 50–950 ramp

primary

#4B5BDA

secondary

#DDD7A4

accent

#D63FE9

background

#F9F8FE

surface

#F2F0FC

border

#CCCBD5

text

#0D0B16

muted

#7E7C84

Preview Lab

Preview with #4B5BDA

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

Preview Lab → · Contrast checker → · Palette generator →