#4EA5E9#4EA5E9

#4EA5E9 is a light, vivid cyan. Relative luminance 0.344; OKLCH L 69.8% C 0.131 H 244.9°. Best body text is #000000 at 7.88:1 contrast (WCAG AA passes).

Color values

HEX	#4EA5E9
RGB	rgb(78, 165, 233)
HSL	hsl(206, 78%, 61%)
HSV	hsv(206, 67%, 91%)
CMYK	cmyk(66.5%, 29.2%, 0%, 8.6%)
CIE-LAB	lab(65.29, -5.10, -41.86)
CIE-LCH	lch(65.29, 42.17, 263.06°)
OKLab	oklab(69.78% -0.0553 -0.1182)
OKLCH	oklch(69.78% 0.131 244.9)
XYZ	xyz(31.2994, 34.4099, 82.0672)
Luminance	0.3441 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4EA5E9 #E9924E

analogous

#4EE9E0 #4EA5E9 #4E57E9

triadic

#4EA5E9 #E94EA5 #A5E94E

tetradic

#4EA5E9 #E04EE9 #E9924E #57E94E

square

#4EA5E9 #E04EE9 #E9924E #57E94E

split-complementary

#4EA5E9 #E94E57 #E9E04E

monochromatic

#1567A8 #1C89DE #4EA5E9 #84C1F0 #BBDCF7

Accessibility & contrast

On white

2.66

#4EA5E9 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.88

#4EA5E9 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #4EA5E9

7.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4EA5E9	#FFFFFF	#000000	##000000
##4EA5E9	1.00	2.66	7.88	7.88
#FFFFFF	2.66	1.00	21.00	21.00
#000000	7.88	21.00	1.00	1.00
##000000	7.88	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#87A7EC

Deuteranopia (green-blind)

#7198E8

Tritanopia (blue-blind)

#00B5BD

Achromatopsia (no color)

#9E9E9E

Design tokens & code

CSS

--color: #4ea5e9;
/* rgb */ color: rgb(78, 165, 233);
/* oklch */ color: oklch(69.8% 0.131 244.9);

Tailwind

colors: {
  custom: {
    50: '#8fbff0',
    500: '#4ea5e9',
    950: '#000000',
  },
}

SCSS

$custom: #4ea5e9;
$custom-light: #8fbff0;
$custom-dark: #000000;

JSON

{
  "hex": "#4ea5e9",
  "rgb": {
    "r": 78,
    "g": 165,
    "b": 233
  },
  "hsl": {
    "h": 206.323,
    "s": 77.889,
    "l": 60.98
  },
  "oklch": {
    "l": 0.69784,
    "c": 0.13053,
    "h": 244.9
  },
  "luminance": 0.34413
}

Semantic roles & 50–950 ramp

primary

#4EA5E9

secondary

#E7C6AC

accent

#660BDA

background

#F9FBFE

surface

#F2F7FD

border

#CCD0D5

text

#0E1216

muted

#7E8184

Preview Lab

Preview with #4EA5E9

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

Preview Lab → · Contrast checker → · Palette generator →