#4B5BC1#4B5BC1

#4B5BC1 is a mid, vivid blue. Relative luminance 0.128; OKLCH L 51.4% C 0.159 H 272.8°. Best body text is #FFFFFF at 5.89:1 contrast (WCAG AA passes).

Color values

HEX	#4B5BC1
RGB	rgb(75, 91, 193)
HSL	hsl(232, 49%, 53%)
HSV	hsv(232, 61%, 76%)
CMYK	cmyk(61.1%, 52.8%, 0%, 24.3%)
CIE-LAB	lab(42.50, 25.43, -55.53)
CIE-LCH	lch(42.50, 61.07, 294.61°)
OKLab	oklab(51.41% 0.0078 -0.1592)
OKLCH	oklch(51.41% 0.159 272.8)
XYZ	xyz(16.2652, 12.8270, 52.0605)
Luminance	0.1283 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4B5BC1 #C1B14B

analogous

#4B96C1 #4B5BC1 #764BC1

triadic

#4B5BC1 #C14B5B #5BC14B

tetradic

#4B5BC1 #C14B96 #C1B14B #4BC176

square

#4B5BC1 #C14B96 #C1B14B #4BC176

split-complementary

#4B5BC1 #C1764B #96C14B

monochromatic

#252F6C #35439A #4B5BC1 #7984D1 #A6AEE0

Accessibility & contrast

On white

5.89

#4B5BC1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.57

#4B5BC1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4B5BC1

5.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B5BC1	#FFFFFF	#000000	##FFFFFF
##4B5BC1	1.00	5.89	3.57	5.89
#FFFFFF	5.89	1.00	21.00	1.00
#000000	3.57	21.00	1.00	21.00
##FFFFFF	5.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1C6AC5

Deuteranopia (green-blind)

#005FBF

Tritanopia (blue-blind)

#007385

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #4b5bc1;
/* rgb */ color: rgb(75, 91, 193);
/* oklch */ color: oklch(51.4% 0.159 272.8);

Tailwind

colors: {
  custom: {
    50: '#8889d4',
    500: '#4b5bc1',
    950: '#000000',
  },
}

SCSS

$custom: #4b5bc1;
$custom-light: #8889d4;
$custom-dark: #000000;

JSON

{
  "hex": "#4b5bc1",
  "rgb": {
    "r": 75,
    "g": 91,
    "b": 193
  },
  "hsl": {
    "h": 231.864,
    "s": 48.76,
    "l": 52.549
  },
  "oklch": {
    "l": 0.51407,
    "c": 0.15938,
    "h": 272.8
  },
  "luminance": 0.12828
}

Semantic roles & 50–950 ramp

primary

#4B5BC1

secondary

#CEC79A

accent

#C64FD8

background

#F8F8FD

surface

#F0F0FA

border

#CBCBD3

text

#0C0B14

muted

#7D7C83

Preview Lab

Preview with #4B5BC1

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

Preview Lab → · Contrast checker → · Palette generator →