#4B71E9#4B71E9

#4B71E9 is a mid, vivid blue. Relative luminance 0.192; OKLCH L 58.6% C 0.186 H 267.2°. Best body text is #000000 at 4.84:1 contrast (WCAG AA passes).

Color values

HEX	#4B71E9
RGB	rgb(75, 113, 233)
HSL	hsl(226, 78%, 60%)
HSV	hsv(226, 68%, 91%)
CMYK	cmyk(67.8%, 51.5%, 0%, 8.6%)
CIE-LAB	lab(50.91, 25.48, -64.77)
CIE-LCH	lch(50.91, 69.60, 291.47°)
OKLab	oklab(58.61% -0.0091 -0.1861)
OKLCH	oklch(58.61% 0.186 267.2)
XYZ	xyz(23.5097, 19.1870, 79.5395)
Luminance	0.1919 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4B71E9 #E9C34B

analogous

#4BC0E9 #4B71E9 #744BE9

triadic

#4B71E9 #E94B71 #71E94B

tetradic

#4B71E9 #E94BC0 #E9C34B #4BE974

square

#4B71E9 #E94BC0 #E9C34B #4BE974

split-complementary

#4B71E9 #E9744B #C0E94B

monochromatic

#1437A5 #1B49DC #4B71E9 #829CF0 #B8C7F6

Accessibility & contrast

On white

4.34

#4B71E9 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.84

#4B71E9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4B71E9

4.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B71E9	#FFFFFF	#000000	##000000
##4B71E9	1.00	4.34	4.84	4.84
#FFFFFF	4.34	1.00	21.00	21.00
#000000	4.84	21.00	1.00	1.00
##000000	4.84	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#2481ED

Deuteranopia (green-blind)

#0072E7

Tritanopia (blue-blind)

#008EA2

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #4b71e9;
/* rgb */ color: rgb(75, 113, 233);
/* oklch */ color: oklch(58.6% 0.186 267.2);

Tailwind

colors: {
  custom: {
    50: '#8e99f1',
    500: '#4b71e9',
    950: '#000000',
  },
}

SCSS

$custom: #4b71e9;
$custom-light: #8e99f1;
$custom-dark: #000000;

JSON

{
  "hex": "#4b71e9",
  "rgb": {
    "r": 75,
    "g": 113,
    "b": 233
  },
  "hsl": {
    "h": 225.57,
    "s": 78.218,
    "l": 60.392
  },
  "oklch": {
    "l": 0.58607,
    "c": 0.18632,
    "h": 267.2
  },
  "luminance": 0.19189
}

Semantic roles & 50–950 ramp

primary

#4B71E9

secondary

#E6D8AA

accent

#A90BDA

background

#F9F9FE

surface

#F2F2FD

border

#CCCCD5

text

#0E0D17

muted

#7E7E85

Preview Lab

Preview with #4B71E9

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

Preview Lab → · Contrast checker → · Palette generator →