#4F91E4#4F91E4

#4F91E4 is a light, vivid cyan. Relative luminance 0.275; OKLCH L 65.1% C 0.142 H 255.2°. Best body text is #000000 at 6.50:1 contrast (WCAG AA passes).

Color values

HEX	#4F91E4
RGB	rgb(79, 145, 228)
HSL	hsl(213, 73%, 60%)
HSV	hsv(213, 65%, 89%)
CMYK	cmyk(65.4%, 36.4%, 0%, 10.6%)
CIE-LAB	lab(59.45, 4.90, -48.30)
CIE-LCH	lch(59.45, 48.55, 275.79°)
OKLab	oklab(65.13% -0.0363 -0.1372)
OKLCH	oklch(65.13% 0.142 255.2)
XYZ	xyz(27.3484, 27.5118, 77.2528)
Luminance	0.2751 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4F91E4 #E4A24F

analogous

#4FDBE4 #4F91E4 #584FE4

triadic

#4F91E4 #E44F91 #91E44F

tetradic

#4F91E4 #E44FDB #E4A24F #4FE458

square

#4F91E4 #E44FDB #E4A24F #4FE458

split-complementary

#4F91E4 #E4584F #DBE44F

monochromatic

#1955A0 #2171D5 #4F91E4 #84B2EC #B9D3F4

Accessibility & contrast

On white

3.23

#4F91E4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.50

#4F91E4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4F91E4

6.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4F91E4	#FFFFFF	#000000	##000000
##4F91E4	1.00	3.23	6.50	6.50
#FFFFFF	3.23	1.00	21.00	21.00
#000000	6.50	21.00	1.00	1.00
##000000	6.50	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6C97E7

Deuteranopia (green-blind)

#5789E2

Tritanopia (blue-blind)

#00A4B0

Achromatopsia (no color)

#8F8F8F

Design tokens & code

CSS

--color: #4f91e4;
/* rgb */ color: rgb(79, 145, 228);
/* oklch */ color: oklch(65.1% 0.142 255.2);

Tailwind

colors: {
  custom: {
    50: '#8eb0ed',
    500: '#4f91e4',
    950: '#000000',
  },
}

SCSS

$custom: #4f91e4;
$custom-light: #8eb0ed;
$custom-dark: #000000;

JSON

{
  "hex": "#4f91e4",
  "rgb": {
    "r": 79,
    "g": 145,
    "b": 228
  },
  "hsl": {
    "h": 213.423,
    "s": 73.399,
    "l": 60.196
  },
  "oklch": {
    "l": 0.65131,
    "c": 0.14192,
    "h": 255.2
  },
  "luminance": 0.27514
}

Semantic roles & 50–950 ramp

primary

#4F91E4

secondary

#E4CBAB

accent

#7E10D6

background

#F9FAFE

surface

#F2F4FD

border

#CCCED5

text

#0E1016

muted

#7E7F84

Preview Lab

Preview with #4F91E4

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

Preview Lab → · Contrast checker → · Palette generator →