#4C91E3#4C91E3

#4C91E3 is a light, vivid cyan. Relative luminance 0.273; OKLCH L 65.0% C 0.142 H 254.2°. Best body text is #000000 at 6.47:1 contrast (WCAG AA passes).

Color values

HEX	#4C91E3
RGB	rgb(76, 145, 227)
HSL	hsl(213, 73%, 59%)
HSV	hsv(213, 67%, 89%)
CMYK	cmyk(66.5%, 36.1%, 0%, 11%)
CIE-LAB	lab(59.28, 4.07, -48.02)
CIE-LCH	lch(59.28, 48.19, 274.84°)
OKLab	oklab(64.95% -0.0387 -0.1364)
OKLCH	oklch(64.95% 0.142 254.2)
XYZ	xyz(26.9659, 27.3306, 76.5124)
Luminance	0.2733 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4C91E3 #E39E4C

analogous

#4CDCE3 #4C91E3 #534CE3

triadic

#4C91E3 #E34C91 #91E34C

tetradic

#4C91E3 #E34CDC #E39E4C #4CE353

square

#4C91E3 #E34CDC #E39E4C #4CE353

split-complementary

#4C91E3 #E3534C #DCE34C

monochromatic

#18559C #2171D1 #4C91E3 #81B2EB #B6D2F4

Accessibility & contrast

On white

3.25

#4C91E3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.47

#4C91E3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4C91E3

6.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4C91E3	#FFFFFF	#000000	##000000
##4C91E3	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)

#6D96E6

Deuteranopia (green-blind)

#5788E1

Tritanopia (blue-blind)

#00A4AF

Achromatopsia (no color)

#8F8F8F

Design tokens & code

CSS

--color: #4c91e3;
/* rgb */ color: rgb(76, 145, 227);
/* oklch */ color: oklch(65.0% 0.142 254.2);

Tailwind

colors: {
  custom: {
    50: '#8db0ec',
    500: '#4c91e3',
    950: '#000000',
  },
}

SCSS

$custom: #4c91e3;
$custom-light: #8db0ec;
$custom-dark: #000000;

JSON

{
  "hex": "#4c91e3",
  "rgb": {
    "r": 76,
    "g": 145,
    "b": 227
  },
  "hsl": {
    "h": 212.583,
    "s": 72.947,
    "l": 59.412
  },
  "oklch": {
    "l": 0.64953,
    "c": 0.1418,
    "h": 254.2
  },
  "luminance": 0.27333
}

Semantic roles & 50–950 ramp

primary

#4C91E3

secondary

#E3C8A8

accent

#9C38F0

background

#F9FAFE

surface

#F2F4FD

border

#CCCED5

text

#0D1016

muted

#7E7F84

Preview Lab

Preview with #4C91E3

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

Preview Lab → · Contrast checker → · Palette generator →