#4EA5F3#4EA5F3

#4EA5F3 is a light, vivid cyan. Relative luminance 0.350; OKLCH L 70.3% C 0.142 H 248.3°. Best body text is #000000 at 8.00:1 contrast (WCAG AA passes).

Color values

HEX	#4EA5F3
RGB	rgb(78, 165, 243)
HSL	hsl(208, 87%, 63%)
HSV	hsv(208, 68%, 95%)
CMYK	cmyk(67.9%, 32.1%, 0%, 4.7%)
CIE-LAB	lab(65.75, -1.76, -46.62)
CIE-LCH	lch(65.75, 46.65, 267.84°)
OKLab	oklab(70.3% -0.0525 -0.1321)
OKLCH	oklch(70.3% 0.142 248.3)
XYZ	xyz(32.7686, 34.9975, 89.8049)
Luminance	0.3500 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4EA5F3 #F39C4E

analogous

#4EF3EF #4EA5F3 #4E52F3

triadic

#4EA5F3 #F34EA5 #A5F34E

tetradic

#4EA5F3 #EF4EF3 #F39C4E #52F34E

square

#4EA5F3 #EF4EF3 #F39C4E #52F34E

split-complementary

#4EA5F3 #F34E52 #F3EF4E

monochromatic

#0D68BA #1588EF #4EA5F3 #87C2F7 #C1DFFB

Accessibility & contrast

On white

2.62

#4EA5F3 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.00

#4EA5F3 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #4EA5F3

8.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4EA5F3	#FFFFFF	#000000	##000000
##4EA5F3	1.00	2.62	8.00	8.00
#FFFFFF	2.62	1.00	21.00	21.00
#000000	8.00	21.00	1.00	1.00
##000000	8.00	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#82A8F6

Deuteranopia (green-blind)

#6B99F1

Tritanopia (blue-blind)

#00B8C1

Achromatopsia (no color)

#A0A0A0

Design tokens & code

CSS

--color: #4ea5f3;
/* rgb */ color: rgb(78, 165, 243);
/* oklch */ color: oklch(70.3% 0.142 248.3);

Tailwind

colors: {
  custom: {
    50: '#90bff7',
    500: '#4ea5f3',
    950: '#000000',
  },
}

SCSS

$custom: #4ea5f3;
$custom-light: #90bff7;
$custom-dark: #000000;

JSON

{
  "hex": "#4ea5f3",
  "rgb": {
    "r": 78,
    "g": 165,
    "b": 243
  },
  "hsl": {
    "h": 208.364,
    "s": 87.302,
    "l": 62.941
  },
  "oklch": {
    "l": 0.70298,
    "c": 0.1421,
    "h": 248.3
  },
  "luminance": 0.35001
}

Semantic roles & 50–950 ramp

primary

#4EA5F3

secondary

#ECCDB1

accent

#6D02E4

background

#F9FBFF

surface

#F2F6FF

border

#CCD0D7

text

#0E1217

muted

#7E8185

Preview Lab

Preview with #4EA5F3

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

Preview Lab → · Contrast checker → · Palette generator →