#4D99E1#4D99E1

#4D99E1 is a light, vivid cyan. Relative luminance 0.298; OKLCH L 66.7% C 0.131 H 249.3°. Best body text is #000000 at 6.96:1 contrast (WCAG AA passes).

Color values

HEX	#4D99E1
RGB	rgb(77, 153, 225)
HSL	hsl(209, 71%, 59%)
HSV	hsv(209, 66%, 88%)
CMYK	cmyk(65.8%, 32%, 0%, 11.8%)
CIE-LAB	lab(61.48, -1.11, -43.44)
CIE-LCH	lch(61.48, 43.45, 268.54°)
OKLab	oklab(66.65% -0.0464 -0.1229)
OKLCH	oklch(66.65% 0.131 249.3)
XYZ	xyz(28.0374, 29.7936, 75.4927)
Luminance	0.2980 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4D99E1 #E1954D

analogous

#4DE1DF #4D99E1 #4D4FE1

triadic

#4D99E1 #E14D99 #99E14D

tetradic

#4D99E1 #DF4DE1 #E1954D #4FE14D

square

#4D99E1 #DF4DE1 #E1954D #4FE14D

split-complementary

#4D99E1 #E14D4F #E1DF4D

monochromatic

#1A5C9A #237BCE #4D99E1 #81B7EA #B6D5F3

Accessibility & contrast

On white

3.02

#4D99E1 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.96

#4D99E1 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4D99E1

6.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4D99E1	#FFFFFF	#000000	##000000
##4D99E1	1.00	3.02	6.96	6.96
#FFFFFF	3.02	1.00	21.00	21.00
#000000	6.96	21.00	1.00	1.00
##000000	6.96	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#799CE4

Deuteranopia (green-blind)

#658EE0

Tritanopia (blue-blind)

#00AAB3

Achromatopsia (no color)

#949494

Design tokens & code

CSS

--color: #4d99e1;
/* rgb */ color: rgb(77, 153, 225);
/* oklch */ color: oklch(66.7% 0.131 249.3);

Tailwind

colors: {
  custom: {
    50: '#8db6ea',
    500: '#4d99e1',
    950: '#000000',
  },
}

SCSS

$custom: #4d99e1;
$custom-light: #8db6ea;
$custom-dark: #000000;

JSON

{
  "hex": "#4d99e1",
  "rgb": {
    "r": 77,
    "g": 153,
    "b": 225
  },
  "hsl": {
    "h": 209.189,
    "s": 71.154,
    "l": 59.216
  },
  "oklch": {
    "l": 0.66652,
    "c": 0.1314,
    "h": 249.3
  },
  "luminance": 0.29796
}

Semantic roles & 50–950 ramp

primary

#4D99E1

secondary

#E2C4A8

accent

#913AEE

background

#F9FBFE

surface

#F2F6FD

border

#CCD0D5

text

#0D1116

muted

#7E8084

Preview Lab

Preview with #4D99E1

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

Preview Lab → · Contrast checker → · Palette generator →