#4EB9E5#4EB9E5

#4EB9E5 is a light, moderate cyan. Relative luminance 0.420; OKLCH L 74.1% C 0.116 H 228.6°. Best body text is #000000 at 9.40:1 contrast (WCAG AA passes).

Color values

HEX	#4EB9E5
RGB	rgb(78, 185, 229)
HSL	hsl(197, 74%, 60%)
HSV	hsv(197, 66%, 90%)
CMYK	cmyk(65.9%, 19.2%, 0%, 10.2%)
CIE-LAB	lab(70.85, -17.25, -31.02)
CIE-LCH	lch(70.85, 35.49, 240.92°)
OKLab	oklab(74.15% -0.0766 -0.0868)
OKLCH	oklch(74.15% 0.116 228.6)
XYZ	xyz(34.6281, 41.9710, 80.3898)
Luminance	0.4198 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4EB9E5 #E57A4E

analogous

#4EE5C5 #4EB9E5 #4E6EE5

triadic

#4EB9E5 #E54EB9 #B9E54E

tetradic

#4EB9E5 #C54EE5 #E57A4E #6EE54E

square

#4EB9E5 #C54EE5 #E57A4E #6EE54E

split-complementary

#4EB9E5 #E54E6E #E5C54E

monochromatic

#1879A1 #1FA1D6 #4EB9E5 #83CEED #B9E3F5

Accessibility & contrast

On white

2.24

#4EB9E5 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.40

#4EB9E5 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #4EB9E5

9.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4EB9E5	#FFFFFF	#000000	##000000
##4EB9E5	1.00	2.24	9.40	9.40
#FFFFFF	2.24	1.00	21.00	21.00
#000000	9.40	21.00	1.00	1.00
##000000	9.40	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A2B6E7

Deuteranopia (green-blind)

#8DA7E4

Tritanopia (blue-blind)

#00C5C7

Achromatopsia (no color)

#ADADAD

Design tokens & code

CSS

--color: #4eb9e5;
/* rgb */ color: rgb(78, 185, 229);
/* oklch */ color: oklch(74.1% 0.116 228.6);

Tailwind

colors: {
  custom: {
    50: '#8fceed',
    500: '#4eb9e5',
    950: '#000000',
  },
}

SCSS

$custom: #4eb9e5;
$custom-light: #8fceed;
$custom-dark: #000000;

JSON

{
  "hex": "#4eb9e5",
  "rgb": {
    "r": 78,
    "g": 185,
    "b": 229
  },
  "hsl": {
    "h": 197.483,
    "s": 74.384,
    "l": 60.196
  },
  "oklch": {
    "l": 0.74147,
    "c": 0.11577,
    "h": 228.6
  },
  "luminance": 0.41975
}

Semantic roles & 50–950 ramp

primary

#4EB9E5

secondary

#E4BBAA

accent

#490FD7

background

#F9FCFE

surface

#F2F9FD

border

#CCD2D5

text

#0E1316

muted

#7E8284

Preview Lab

Preview with #4EB9E5

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

Preview Lab → · Contrast checker → · Palette generator →