#4B99E1#4B99E1

#4B99E1 is a light, vivid cyan. Relative luminance 0.297; OKLCH L 66.6% C 0.132 H 248.8°. Best body text is #000000 at 6.94:1 contrast (WCAG AA passes).

Color values

HEX	#4B99E1
RGB	rgb(75, 153, 225)
HSL	hsl(209, 71%, 59%)
HSV	hsv(209, 67%, 88%)
CMYK	cmyk(66.7%, 32%, 0%, 11.8%)
CIE-LAB	lab(61.40, -1.43, -43.55)
CIE-LCH	lch(61.40, 43.58, 268.12°)
OKLab	oklab(66.58% -0.0478 -0.1233)
OKLCH	oklch(66.58% 0.132 248.8)
XYZ	xyz(27.8784, 29.7117, 75.4853)
Luminance	0.2972 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4B99E1 #E1934B

analogous

#4BE1DE #4B99E1 #4B4EE1

triadic

#4B99E1 #E14B99 #99E14B

tetradic

#4B99E1 #DE4BE1 #E1934B #4EE14B

square

#4B99E1 #DE4BE1 #E1934B #4EE14B

split-complementary

#4B99E1 #E14B4E #E1DE4B

monochromatic

#195B98 #227BCD #4B99E1 #7FB7EA #B4D4F2

Accessibility & contrast

On white

3.02

#4B99E1 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.94

#4B99E1 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4B99E1

6.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B99E1	#FFFFFF	#000000	##000000
##4B99E1	1.00	3.02	6.94	6.94
#FFFFFF	3.02	1.00	21.00	21.00
#000000	6.94	21.00	1.00	1.00
##000000	6.94	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#799CE4

Deuteranopia (green-blind)

#648EE0

Tritanopia (blue-blind)

#00AAB3

Achromatopsia (no color)

#949494

Design tokens & code

CSS

--color: #4b99e1;
/* rgb */ color: rgb(75, 153, 225);
/* oklch */ color: oklch(66.6% 0.132 248.8);

Tailwind

colors: {
  custom: {
    50: '#8cb6ea',
    500: '#4b99e1',
    950: '#000000',
  },
}

SCSS

$custom: #4b99e1;
$custom-light: #8cb6ea;
$custom-dark: #000000;

JSON

{
  "hex": "#4b99e1",
  "rgb": {
    "r": 75,
    "g": 153,
    "b": 225
  },
  "hsl": {
    "h": 208.8,
    "s": 71.429,
    "l": 58.824
  },
  "oklch": {
    "l": 0.66577,
    "c": 0.13223,
    "h": 248.8
  },
  "luminance": 0.29715
}

Semantic roles & 50–950 ramp

primary

#4B99E1

secondary

#E1C3A6

accent

#903AEE

background

#F9FBFE

surface

#F2F6FD

border

#CCD0D5

text

#0D1116

muted

#7E8084

Preview Lab

Preview with #4B99E1

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

Preview Lab → · Contrast checker → · Palette generator →