#4999E4#4999E4

#4999E4 is a light, vivid cyan. Relative luminance 0.298; OKLCH L 66.7% C 0.137 H 249.3°. Best body text is #000000 at 6.96:1 contrast (WCAG AA passes).

Color values

HEX	#4999E4
RGB	rgb(73, 153, 228)
HSL	hsl(209, 74%, 59%)
HSV	hsv(209, 68%, 89%)
CMYK	cmyk(68%, 32.9%, 0%, 10.6%)
CIE-LAB	lab(61.48, -0.73, -45.10)
CIE-LCH	lch(61.48, 45.11, 269.08°)
OKLab	oklab(66.66% -0.0483 -0.1278)
OKLCH	oklch(66.66% 0.137 249.3)
XYZ	xyz(28.1372, 29.7974, 77.6523)
Luminance	0.2980 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4999E4 #E49449

analogous

#49E4E1 #4999E4 #494CE4

triadic

#4999E4 #E44999 #99E449

tetradic

#4999E4 #E149E4 #E49449 #4CE449

square

#4999E4 #E149E4 #E49449 #4CE449

split-complementary

#4999E4 #E4494C #E4E149

monochromatic

#175B9C #1F7BD1 #4999E4 #7EB7EC #B4D5F4

Accessibility & contrast

On white

3.02

#4999E4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.96

#4999E4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4999E4

6.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4999E4	#FFFFFF	#000000	##000000
##4999E4	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)

#789DE7

Deuteranopia (green-blind)

#628EE3

Tritanopia (blue-blind)

#00ABB4

Achromatopsia (no color)

#949494

Design tokens & code

CSS

--color: #4999e4;
/* rgb */ color: rgb(73, 153, 228);
/* oklch */ color: oklch(66.7% 0.137 249.3);

Tailwind

colors: {
  custom: {
    50: '#8cb6ed',
    500: '#4999e4',
    950: '#000000',
  },
}

SCSS

$custom: #4999e4;
$custom-light: #8cb6ed;
$custom-dark: #000000;

JSON

{
  "hex": "#4999e4",
  "rgb": {
    "r": 73,
    "g": 153,
    "b": 228
  },
  "hsl": {
    "h": 209.032,
    "s": 74.163,
    "l": 59.02
  },
  "oklch": {
    "l": 0.66663,
    "c": 0.13665,
    "h": 249.3
  },
  "luminance": 0.298
}

Semantic roles & 50–950 ramp

primary

#4999E4

secondary

#E3C3A6

accent

#9137F1

background

#F9FBFE

surface

#F2F6FD

border

#CCD0D5

text

#0D1116

muted

#7E8084

Preview Lab

Preview with #4999E4

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

Preview Lab → · Contrast checker → · Palette generator →