#4B5BDF#4B5BDF

#4B5BDF is a mid, vivid blue. Relative luminance 0.143; OKLCH L 53.7% C 0.200 H 272.5°. Best body text is #FFFFFF at 5.44:1 contrast (WCAG AA passes).

Color values

HEX	#4B5BDF
RGB	rgb(75, 91, 223)
HSL	hsl(234, 70%, 58%)
HSV	hsv(234, 66%, 87%)
CMYK	cmyk(66.4%, 59.2%, 0%, 12.5%)
CIE-LAB	lab(44.67, 35.70, -69.25)
CIE-LCH	lch(44.67, 77.91, 297.27°)
OKLab	oklab(53.71% 0.0086 -0.1995)
OKLCH	oklch(53.71% 0.2 272.5)
XYZ	xyz(19.9576, 14.3039, 71.5069)
Luminance	0.1431 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4B5BDF #DFCF4B

analogous

#4BA5DF #4B5BDF #854BDF

triadic

#4B5BDF #DF4B5B #5BDF4B

tetradic

#4B5BDF #DF4BA5 #DFCF4B #4BDF85

square

#4B5BDF #DF4BA5 #DFCF4B #4BDF85

split-complementary

#4B5BDF #DF854B #A5DF4B

monochromatic

#1B2895 #2436C9 #4B5BDF #7F8AE8 #B3BAF1

Accessibility & contrast

On white

5.44

#4B5BDF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.86

#4B5BDF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4B5BDF

5.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B5BDF	#FFFFFF	#000000	##FFFFFF
##4B5BDF	1.00	5.44	3.86	5.44
#FFFFFF	5.44	1.00	21.00	1.00
#000000	3.86	21.00	1.00	21.00
##FFFFFF	5.44	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0070E3

Deuteranopia (green-blind)

#0063DC

Tritanopia (blue-blind)

#007C94

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #4b5bdf;
/* rgb */ color: rgb(75, 91, 223);
/* oklch */ color: oklch(53.7% 0.200 272.5);

Tailwind

colors: {
  custom: {
    50: '#8e89ea',
    500: '#4b5bdf',
    950: '#000000',
  },
}

SCSS

$custom: #4b5bdf;
$custom-light: #8e89ea;
$custom-dark: #000000;

JSON

{
  "hex": "#4b5bdf",
  "rgb": {
    "r": 75,
    "g": 91,
    "b": 223
  },
  "hsl": {
    "h": 233.514,
    "s": 69.811,
    "l": 58.431
  },
  "oklch": {
    "l": 0.53706,
    "c": 0.19973,
    "h": 272.5
  },
  "luminance": 0.14306
}

Semantic roles & 50–950 ramp

primary

#4B5BDF

secondary

#E0DAA6

accent

#D93BED

background

#F9F8FE

surface

#F2F0FD

border

#CCCBD5

text

#0E0B16

muted

#7E7C84

Preview Lab

Preview with #4B5BDF

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

Preview Lab → · Contrast checker → · Palette generator →