#4EA6F3#4EA6F3

#4EA6F3 is a light, vivid cyan. Relative luminance 0.354; OKLCH L 70.5% C 0.141 H 247.8°. Best body text is #000000 at 8.07:1 contrast (WCAG AA passes).

Color values

HEX	#4EA6F3
RGB	rgb(78, 166, 243)
HSL	hsl(208, 87%, 63%)
HSV	hsv(208, 68%, 95%)
CMYK	cmyk(67.9%, 31.7%, 0%, 4.7%)
CIE-LAB	lab(66.03, -2.32, -46.18)
CIE-LCH	lch(66.03, 46.23, 267.12°)
OKLab	oklab(70.52% -0.0534 -0.1308)
OKLCH	oklch(70.52% 0.141 247.8)
XYZ	xyz(32.9497, 35.3597, 89.8652)
Luminance	0.3536 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4EA6F3 #F39B4E

analogous

#4EF3EE #4EA6F3 #4E53F3

triadic

#4EA6F3 #F34EA6 #A6F34E

tetradic

#4EA6F3 #EE4EF3 #F39B4E #53F34E

square

#4EA6F3 #EE4EF3 #F39B4E #53F34E

split-complementary

#4EA6F3 #F34E53 #F3EE4E

monochromatic

#0D69BA #1589EF #4EA6F3 #87C3F7 #C1E0FB

Accessibility & contrast

On white

2.60

#4EA6F3 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.07

#4EA6F3 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #4EA6F3

8.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4EA6F3	#FFFFFF	#000000	##000000
##4EA6F3	1.00	2.60	8.07	8.07
#FFFFFF	2.60	1.00	21.00	21.00
#000000	8.07	21.00	1.00	1.00
##000000	8.07	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#84A9F6

Deuteranopia (green-blind)

#6D99F2

Tritanopia (blue-blind)

#00B8C2

Achromatopsia (no color)

#A0A0A0

Design tokens & code

CSS

--color: #4ea6f3;
/* rgb */ color: rgb(78, 166, 243);
/* oklch */ color: oklch(70.5% 0.141 247.8);

Tailwind

colors: {
  custom: {
    50: '#91c0f7',
    500: '#4ea6f3',
    950: '#000000',
  },
}

SCSS

$custom: #4ea6f3;
$custom-light: #91c0f7;
$custom-dark: #000000;

JSON

{
  "hex": "#4ea6f3",
  "rgb": {
    "r": 78,
    "g": 166,
    "b": 243
  },
  "hsl": {
    "h": 208,
    "s": 87.302,
    "l": 62.941
  },
  "oklch": {
    "l": 0.70519,
    "c": 0.14125,
    "h": 247.8
  },
  "luminance": 0.35363
}

Semantic roles & 50–950 ramp

primary

#4EA6F3

secondary

#ECCCB1

accent

#6B02E4

background

#F9FBFF

surface

#F2F7FF

border

#CCD0D7

text

#0E1217

muted

#7E8185

Preview Lab

Preview with #4EA6F3

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

Preview Lab → · Contrast checker → · Palette generator →