#4B99E4#4B99E4

#4B99E4 is a light, vivid cyan. Relative luminance 0.299; OKLCH L 66.7% C 0.136 H 249.8°. Best body text is #000000 at 6.98:1 contrast (WCAG AA passes).

Color values

HEX	#4B99E4
RGB	rgb(75, 153, 228)
HSL	hsl(209, 74%, 59%)
HSV	hsv(209, 67%, 89%)
CMYK	cmyk(67.1%, 32.9%, 0%, 10.6%)
CIE-LAB	lab(61.55, -0.42, -44.99)
CIE-LCH	lch(61.55, 44.99, 269.47°)
OKLab	oklab(66.74% -0.0469 -0.1275)
OKLCH	oklch(66.74% 0.136 249.8)
XYZ	xyz(28.2913, 29.8768, 77.6596)
Luminance	0.2988 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4B99E4 #E4964B

analogous

#4BE4E3 #4B99E4 #4B4DE4

triadic

#4B99E4 #E44B99 #99E44B

tetradic

#4B99E4 #E34BE4 #E4964B #4DE44B

square

#4B99E4 #E34BE4 #E4964B #4DE44B

split-complementary

#4B99E4 #E44B4D #E4E34B

monochromatic

#185C9D #207BD2 #4B99E4 #80B7EC #B5D5F4

Accessibility & contrast

On white

3.01

#4B99E4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.98

#4B99E4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4B99E4

6.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B99E4	#FFFFFF	#000000	##000000
##4B99E4	1.00	3.01	6.98	6.98
#FFFFFF	3.01	1.00	21.00	21.00
#000000	6.98	21.00	1.00	1.00
##000000	6.98	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#789DE7

Deuteranopia (green-blind)

#628EE3

Tritanopia (blue-blind)

#00ABB4

Achromatopsia (no color)

#959595

Design tokens & code

CSS

--color: #4b99e4;
/* rgb */ color: rgb(75, 153, 228);
/* oklch */ color: oklch(66.7% 0.136 249.8);

Tailwind

colors: {
  custom: {
    50: '#8db6ed',
    500: '#4b99e4',
    950: '#000000',
  },
}

SCSS

$custom: #4b99e4;
$custom-light: #8db6ed;
$custom-dark: #000000;

JSON

{
  "hex": "#4b99e4",
  "rgb": {
    "r": 75,
    "g": 153,
    "b": 228
  },
  "hsl": {
    "h": 209.412,
    "s": 73.913,
    "l": 59.412
  },
  "oklch": {
    "l": 0.66736,
    "c": 0.13585,
    "h": 249.8
  },
  "luminance": 0.2988
}

Semantic roles & 50–950 ramp

primary

#4B99E4

secondary

#E3C5A8

accent

#9237F1

background

#F9FBFE

surface

#F2F6FD

border

#CCD0D5

text

#0D1116

muted

#7E8084

Preview Lab

Preview with #4B99E4

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

Preview Lab → · Contrast checker → · Palette generator →