#4C99E9#4C99E9

#4C99E9 is a light, vivid cyan. Relative luminance 0.302; OKLCH L 67.0% C 0.142 H 251.5°. Best body text is #000000 at 7.04:1 contrast (WCAG AA passes).

Color values

HEX	#4C99E9
RGB	rgb(76, 153, 233)
HSL	hsl(211, 78%, 61%)
HSV	hsv(211, 67%, 91%)
CMYK	cmyk(67.4%, 34.3%, 0%, 8.6%)
CIE-LAB	lab(61.83, 1.44, -47.31)
CIE-LCH	lch(61.83, 47.34, 271.74°)
OKLab	oklab(67.04% -0.0449 -0.1342)
OKLCH	oklch(67.04% 0.142 251.5)
XYZ	xyz(29.0743, 30.1991, 81.3718)
Luminance	0.3020 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4C99E9 #E99C4C

analogous

#4CE8E9 #4C99E9 #4D4CE9

triadic

#4C99E9 #E94C99 #99E94C

tetradic

#4C99E9 #E94CE8 #E99C4C #4CE94D

square

#4C99E9 #E94CE8 #E99C4C #4CE94D

split-complementary

#4C99E9 #E94D4C #E8E94C

monochromatic

#145CA6 #1B7ADD #4C99E9 #83B8F0 #B9D7F6

Accessibility & contrast

On white

2.98

#4C99E9 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.04

#4C99E9 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #4C99E9

7.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4C99E9	#FFFFFF	#000000	##000000
##4C99E9	1.00	2.98	7.04	7.04
#FFFFFF	2.98	1.00	21.00	21.00
#000000	7.04	21.00	1.00	1.00
##000000	7.04	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#759EEC

Deuteranopia (green-blind)

#5F8FE7

Tritanopia (blue-blind)

#00ACB6

Achromatopsia (no color)

#959595

Design tokens & code

CSS

--color: #4c99e9;
/* rgb */ color: rgb(76, 153, 233);
/* oklch */ color: oklch(67.0% 0.142 251.5);

Tailwind

colors: {
  custom: {
    50: '#8eb6f0',
    500: '#4c99e9',
    950: '#000000',
  },
}

SCSS

$custom: #4c99e9;
$custom-light: #8eb6f0;
$custom-dark: #000000;

JSON

{
  "hex": "#4c99e9",
  "rgb": {
    "r": 76,
    "g": 153,
    "b": 233
  },
  "hsl": {
    "h": 210.573,
    "s": 78.109,
    "l": 60.588
  },
  "oklch": {
    "l": 0.67043,
    "c": 0.14157,
    "h": 251.5
  },
  "luminance": 0.30202
}

Semantic roles & 50–950 ramp

primary

#4C99E9

secondary

#E6C9AB

accent

#750BDA

background

#F9FBFE

surface

#F2F6FD

border

#CCD0D5

text

#0E1116

muted

#7E8084

Preview Lab

Preview with #4C99E9

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

Preview Lab → · Contrast checker → · Palette generator →