#4D99E4#4D99E4

#4D99E4 is a light, vivid cyan. Relative luminance 0.300; OKLCH L 66.8% C 0.135 H 250.3°. Best body text is #000000 at 6.99:1 contrast (WCAG AA passes).

Color values

HEX	#4D99E4
RGB	rgb(77, 153, 228)
HSL	hsl(210, 74%, 60%)
HSV	hsv(210, 66%, 89%)
CMYK	cmyk(66.2%, 32.9%, 0%, 10.6%)
CIE-LAB	lab(61.62, -0.10, -44.87)
CIE-LCH	lch(61.62, 44.87, 269.88°)
OKLab	oklab(66.81% -0.0456 -0.1271)
OKLCH	oklch(66.81% 0.135 250.3)
XYZ	xyz(28.4502, 29.9588, 77.6670)
Luminance	0.2996 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4D99E4 #E4984D

analogous

#4DE4E3 #4D99E4 #4D4EE4

triadic

#4D99E4 #E44D99 #99E44D

tetradic

#4D99E4 #E34DE4 #E4984D #4EE44D

square

#4D99E4 #E34DE4 #E4984D #4EE44D

split-complementary

#4D99E4 #E44D4E #E4E34D

monochromatic

#185C9F #207AD4 #4D99E4 #82B7EC #B7D6F4

Accessibility & contrast

On white

3.00

#4D99E4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.99

#4D99E4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4D99E4

6.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4D99E4	#FFFFFF	#000000	##000000
##4D99E4	1.00	3.00	6.99	6.99
#FFFFFF	3.00	1.00	21.00	21.00
#000000	6.99	21.00	1.00	1.00
##000000	6.99	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#789DE7

Deuteranopia (green-blind)

#638EE3

Tritanopia (blue-blind)

#00ABB4

Achromatopsia (no color)

#959595

Design tokens & code

CSS

--color: #4d99e4;
/* rgb */ color: rgb(77, 153, 228);
/* oklch */ color: oklch(66.8% 0.135 250.3);

Tailwind

colors: {
  custom: {
    50: '#8eb6ed',
    500: '#4d99e4',
    950: '#000000',
  },
}

SCSS

$custom: #4d99e4;
$custom-light: #8eb6ed;
$custom-dark: #000000;

JSON

{
  "hex": "#4d99e4",
  "rgb": {
    "r": 77,
    "g": 153,
    "b": 228
  },
  "hsl": {
    "h": 209.801,
    "s": 73.659,
    "l": 59.804
  },
  "oklch": {
    "l": 0.66811,
    "c": 0.13505,
    "h": 250.3
  },
  "luminance": 0.29962
}

Semantic roles & 50–950 ramp

primary

#4D99E4

secondary

#E4C6A9

accent

#9337F0

background

#F9FBFE

surface

#F2F6FD

border

#CCD0D5

text

#0D1116

muted

#7E8084

Preview Lab

Preview with #4D99E4

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

Preview Lab → · Contrast checker → · Palette generator →