#4EA5EB#4EA5EB

#4EA5EB is a light, vivid cyan. Relative luminance 0.345; OKLCH L 69.9% C 0.133 H 245.7°. Best body text is #000000 at 7.91:1 contrast (WCAG AA passes).

Color values

HEX	#4EA5EB
RGB	rgb(78, 165, 235)
HSL	hsl(207, 80%, 61%)
HSV	hsv(207, 67%, 92%)
CMYK	cmyk(66.8%, 29.8%, 0%, 7.8%)
CIE-LAB	lab(65.38, -4.43, -42.82)
CIE-LCH	lch(65.38, 43.05, 264.09°)
OKLab	oklab(69.88% -0.0547 -0.121)
OKLCH	oklch(69.88% 0.133 245.7)
XYZ	xyz(31.5868, 34.5248, 83.5804)
Luminance	0.3453 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4EA5EB #EB944E

analogous

#4EEBE3 #4EA5EB #4E57EB

triadic

#4EA5EB #EB4EA5 #A5EB4E

tetradic

#4EA5EB #E34EEB #EB944E #57EB4E

square

#4EA5EB #E34EEB #EB944E #57EB4E

split-complementary

#4EA5EB #EB4E57 #EBE34E

monochromatic

#1368AB #1A89E2 #4EA5EB #85C1F1 #BCDDF7

Accessibility & contrast

On white

2.66

#4EA5EB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.91

#4EA5EB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #4EA5EB

7.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4EA5EB	#FFFFFF	#000000	##000000
##4EA5EB	1.00	2.66	7.91	7.91
#FFFFFF	2.66	1.00	21.00	21.00
#000000	7.91	21.00	1.00	1.00
##000000	7.91	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#86A7EE

Deuteranopia (green-blind)

#7098EA

Tritanopia (blue-blind)

#00B6BE

Achromatopsia (no color)

#9F9F9F

Design tokens & code

CSS

--color: #4ea5eb;
/* rgb */ color: rgb(78, 165, 235);
/* oklch */ color: oklch(69.9% 0.133 245.7);

Tailwind

colors: {
  custom: {
    50: '#8fbff1',
    500: '#4ea5eb',
    950: '#000000',
  },
}

SCSS

$custom: #4ea5eb;
$custom-light: #8fbff1;
$custom-dark: #000000;

JSON

{
  "hex": "#4ea5eb",
  "rgb": {
    "r": 78,
    "g": 165,
    "b": 235
  },
  "hsl": {
    "h": 206.752,
    "s": 79.695,
    "l": 61.373
  },
  "oklch": {
    "l": 0.69885,
    "c": 0.13281,
    "h": 245.7
  },
  "luminance": 0.34528
}

Semantic roles & 50–950 ramp

primary

#4EA5EB

secondary

#E8C7AD

accent

#6709DC

background

#F9FBFE

surface

#F2F7FD

border

#CCD0D5

text

#0E1217

muted

#7E8185

Preview Lab

Preview with #4EA5EB

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

Preview Lab → · Contrast checker → · Palette generator →