#4B91E4#4B91E4

#4B91E4 is a light, vivid cyan. Relative luminance 0.273; OKLCH L 65.0% C 0.143 H 254.1°. Best body text is #000000 at 6.47:1 contrast (WCAG AA passes).

Color values

HEX	#4B91E4
RGB	rgb(75, 145, 228)
HSL	hsl(213, 74%, 59%)
HSV	hsv(213, 67%, 89%)
CMYK	cmyk(67.1%, 36.4%, 0%, 10.6%)
CIE-LAB	lab(59.29, 4.25, -48.55)
CIE-LCH	lch(59.29, 48.74, 275.00°)
OKLab	oklab(64.97% -0.0392 -0.138)
OKLCH	oklch(64.97% 0.143 254.1)
XYZ	xyz(27.0255, 27.3453, 77.2376)
Luminance	0.2735 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4B91E4 #E49E4B

analogous

#4BDEE4 #4B91E4 #524BE4

triadic

#4B91E4 #E44B91 #91E44B

tetradic

#4B91E4 #E44BDE #E49E4B #4BE452

square

#4B91E4 #E44BDE #E49E4B #4BE452

split-complementary

#4B91E4 #E4524B #DEE44B

monochromatic

#18559D #2071D2 #4B91E4 #80B2EC #B5D2F4

Accessibility & contrast

On white

3.25

#4B91E4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.47

#4B91E4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4B91E4

6.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B91E4	#FFFFFF	#000000	##000000
##4B91E4	1.00	3.25	6.47	6.47
#FFFFFF	3.25	1.00	21.00	21.00
#000000	6.47	21.00	1.00	1.00
##000000	6.47	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6C97E7

Deuteranopia (green-blind)

#5688E2

Tritanopia (blue-blind)

#00A4B0

Achromatopsia (no color)

#8F8F8F

Design tokens & code

CSS

--color: #4b91e4;
/* rgb */ color: rgb(75, 145, 228);
/* oklch */ color: oklch(65.0% 0.143 254.1);

Tailwind

colors: {
  custom: {
    50: '#8db0ed',
    500: '#4b91e4',
    950: '#000000',
  },
}

SCSS

$custom: #4b91e4;
$custom-light: #8db0ed;
$custom-dark: #000000;

JSON

{
  "hex": "#4b91e4",
  "rgb": {
    "r": 75,
    "g": 145,
    "b": 228
  },
  "hsl": {
    "h": 212.549,
    "s": 73.913,
    "l": 59.412
  },
  "oklch": {
    "l": 0.6497,
    "c": 0.14344,
    "h": 254.1
  },
  "luminance": 0.27348
}

Semantic roles & 50–950 ramp

primary

#4B91E4

secondary

#E3C8A8

accent

#9C37F1

background

#F9FAFE

surface

#F2F4FD

border

#CCCED5

text

#0D1016

muted

#7E7F84

Preview Lab

Preview with #4B91E4

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

Preview Lab → · Contrast checker → · Palette generator →