#4E99E5#4E99E5

#4E99E5 is a light, vivid cyan. Relative luminance 0.301; OKLCH L 66.9% C 0.136 H 250.8°. Best body text is #000000 at 7.01:1 contrast (WCAG AA passes).

Color values

HEX	#4E99E5
RGB	rgb(78, 153, 229)
HSL	hsl(210, 74%, 60%)
HSV	hsv(210, 66%, 90%)
CMYK	cmyk(65.9%, 33.2%, 0%, 10.2%)
CIE-LAB	lab(61.70, 0.40, -45.29)
CIE-LCH	lch(61.70, 45.29, 270.51°)
OKLab	oklab(66.9% -0.0446 -0.1283)
OKLCH	oklch(66.9% 0.136 250.8)
XYZ	xyz(28.6707, 30.0564, 78.4040)
Luminance	0.3006 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4E99E5 #E59A4E

analogous

#4EE4E5 #4E99E5 #4F4EE5

triadic

#4E99E5 #E54E99 #99E54E

tetradic

#4E99E5 #E54EE4 #E59A4E #4EE54F

square

#4E99E5 #E54EE4 #E59A4E #4EE54F

split-complementary

#4E99E5 #E54F4E #E4E54E

monochromatic

#185CA1 #1F7AD6 #4E99E5 #83B8ED #B9D7F5

Accessibility & contrast

On white

2.99

#4E99E5 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.01

#4E99E5 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #4E99E5

7.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4E99E5	#FFFFFF	#000000	##000000
##4E99E5	1.00	2.99	7.01	7.01
#FFFFFF	2.99	1.00	21.00	21.00
#000000	7.01	21.00	1.00	1.00
##000000	7.01	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#789DE8

Deuteranopia (green-blind)

#638FE3

Tritanopia (blue-blind)

#00ABB4

Achromatopsia (no color)

#959595

Design tokens & code

CSS

--color: #4e99e5;
/* rgb */ color: rgb(78, 153, 229);
/* oklch */ color: oklch(66.9% 0.136 250.8);

Tailwind

colors: {
  custom: {
    50: '#8eb6ed',
    500: '#4e99e5',
    950: '#000000',
  },
}

SCSS

$custom: #4e99e5;
$custom-light: #8eb6ed;
$custom-dark: #000000;

JSON

{
  "hex": "#4e99e5",
  "rgb": {
    "r": 78,
    "g": 153,
    "b": 229
  },
  "hsl": {
    "h": 210.199,
    "s": 74.384,
    "l": 60.196
  },
  "oklch": {
    "l": 0.66903,
    "c": 0.13587,
    "h": 250.8
  },
  "luminance": 0.30059
}

Semantic roles & 50–950 ramp

primary

#4E99E5

secondary

#E4C8AA

accent

#730FD7

background

#F9FBFE

surface

#F2F6FD

border

#CCD0D5

text

#0E1116

muted

#7E8084

Preview Lab

Preview with #4E99E5

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

Preview Lab → · Contrast checker → · Palette generator →