#4EA3E9#4EA3E9

#4EA3E9 is a light, vivid cyan. Relative luminance 0.337; OKLCH L 69.3% C 0.132 H 246.2°. Best body text is #000000 at 7.74:1 contrast (WCAG AA passes).

Color values

HEX	#4EA3E9
RGB	rgb(78, 163, 233)
HSL	hsl(207, 78%, 61%)
HSV	hsv(207, 67%, 91%)
CMYK	cmyk(66.5%, 30%, 0%, 8.6%)
CIE-LAB	lab(64.72, -3.97, -42.75)
CIE-LCH	lch(64.72, 42.94, 264.70°)
OKLab	oklab(69.34% -0.0534 -0.1208)
OKLCH	oklch(69.34% 0.132 246.2)
XYZ	xyz(30.9415, 33.6940, 81.9479)
Luminance	0.3370 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4EA3E9 #E9944E

analogous

#4EE9E1 #4EA3E9 #4E55E9

triadic

#4EA3E9 #E94EA3 #A3E94E

tetradic

#4EA3E9 #E14EE9 #E9944E #55E94E

square

#4EA3E9 #E14EE9 #E9944E #55E94E

split-complementary

#4EA3E9 #E94E55 #E9E14E

monochromatic

#1565A8 #1C86DE #4EA3E9 #84BFF0 #BBDCF7

Accessibility & contrast

On white

2.71

#4EA3E9 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.74

#4EA3E9 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #4EA3E9

7.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4EA3E9	#FFFFFF	#000000	##000000
##4EA3E9	1.00	2.71	7.74	7.74
#FFFFFF	2.71	1.00	21.00	21.00
#000000	7.74	21.00	1.00	1.00
##000000	7.74	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#84A5EC

Deuteranopia (green-blind)

#6F96E8

Tritanopia (blue-blind)

#00B4BC

Achromatopsia (no color)

#9D9D9D

Design tokens & code

CSS

--color: #4ea3e9;
/* rgb */ color: rgb(78, 163, 233);
/* oklch */ color: oklch(69.3% 0.132 246.2);

Tailwind

colors: {
  custom: {
    50: '#8fbef0',
    500: '#4ea3e9',
    950: '#000000',
  },
}

SCSS

$custom: #4ea3e9;
$custom-light: #8fbef0;
$custom-dark: #000000;

JSON

{
  "hex": "#4ea3e9",
  "rgb": {
    "r": 78,
    "g": 163,
    "b": 233
  },
  "hsl": {
    "h": 207.097,
    "s": 77.889,
    "l": 60.98
  },
  "oklch": {
    "l": 0.69336,
    "c": 0.13209,
    "h": 246.2
  },
  "luminance": 0.33697
}

Semantic roles & 50–950 ramp

primary

#4EA3E9

secondary

#E7C7AC

accent

#690BDA

background

#F9FBFE

surface

#F2F6FD

border

#CCD0D5

text

#0E1216

muted

#7E8184

Preview Lab

Preview with #4EA3E9

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

Preview Lab → · Contrast checker → · Palette generator →