#4B5BD8#4B5BD8

#4B5BD8 is a mid, vivid blue. Relative luminance 0.139; OKLCH L 53.1% C 0.191 H 272.6°. Best body text is #FFFFFF at 5.54:1 contrast (WCAG AA passes).

Color values

HEX	#4B5BD8
RGB	rgb(75, 91, 216)
HSL	hsl(233, 64%, 57%)
HSV	hsv(233, 65%, 85%)
CMYK	cmyk(65.3%, 57.9%, 0%, 15.3%)
CIE-LAB	lab(44.14, 33.31, -66.12)
CIE-LCH	lch(44.14, 74.03, 296.74°)
OKLab	oklab(53.15% 0.0087 -0.1903)
OKLCH	oklch(53.15% 0.191 272.6)
XYZ	xyz(19.0333, 13.9342, 66.6390)
Luminance	0.1394 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4B5BD8 #D8C84B

analogous

#4BA2D8 #4B5BD8 #814BD8

triadic

#4B5BD8 #D84B5B #5BD84B

tetradic

#4B5BD8 #D84BA2 #D8C84B #4BD881

square

#4B5BD8 #D84BA2 #D8C84B #4BD881

split-complementary

#4B5BD8 #D8814B #A2D84B

monochromatic

#1E2A8B #293ABD #4B5BD8 #7D89E3 #B0B7EE

Accessibility & contrast

On white

5.54

#4B5BD8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.79

#4B5BD8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4B5BD8

5.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B5BD8	#FFFFFF	#000000	##FFFFFF
##4B5BD8	1.00	5.54	3.79	5.54
#FFFFFF	5.54	1.00	21.00	1.00
#000000	3.79	21.00	1.00	21.00
##FFFFFF	5.54	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006FDC

Deuteranopia (green-blind)

#0062D6

Tritanopia (blue-blind)

#007A91

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #4b5bd8;
/* rgb */ color: rgb(75, 91, 216);
/* oklch */ color: oklch(53.1% 0.191 272.6);

Tailwind

colors: {
  custom: {
    50: '#8c89e5',
    500: '#4b5bd8',
    950: '#000000',
  },
}

SCSS

$custom: #4b5bd8;
$custom-light: #8c89e5;
$custom-dark: #000000;

JSON

{
  "hex": "#4b5bd8",
  "rgb": {
    "r": 75,
    "g": 91,
    "b": 216
  },
  "hsl": {
    "h": 233.191,
    "s": 64.384,
    "l": 57.059
  },
  "oklch": {
    "l": 0.53149,
    "c": 0.19055,
    "h": 272.6
  },
  "luminance": 0.13936
}

Semantic roles & 50–950 ramp

primary

#4B5BD8

secondary

#DCD6A3

accent

#D440E7

background

#F9F8FE

surface

#F2F0FC

border

#CCCBD5

text

#0D0B16

muted

#7E7C84

Preview Lab

Preview with #4B5BD8

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

Preview Lab → · Contrast checker → · Palette generator →