#4EB9E9#4EB9E9

#4EB9E9 is a light, moderate cyan. Relative luminance 0.422; OKLCH L 74.3% C 0.119 H 230.9°. Best body text is #000000 at 9.44:1 contrast (WCAG AA passes).

Color values

HEX	#4EB9E9
RGB	rgb(78, 185, 233)
HSL	hsl(199, 78%, 61%)
HSV	hsv(199, 67%, 91%)
CMYK	cmyk(66.5%, 20.6%, 0%, 8.6%)
CIE-LAB	lab(71.01, -15.99, -32.96)
CIE-LCH	lch(71.01, 36.63, 244.12°)
OKLab	oklab(74.32% -0.0752 -0.0923)
OKLCH	oklch(74.32% 0.119 230.9)
XYZ	xyz(35.1930, 42.1970, 83.3651)
Luminance	0.4220 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4EB9E9 #E97E4E

analogous

#4EE9CC #4EB9E9 #4E6BE9

triadic

#4EB9E9 #E94EB9 #B9E94E

tetradic

#4EB9E9 #CC4EE9 #E97E4E #6BE94E

square

#4EB9E9 #CC4EE9 #E97E4E #6BE94E

split-complementary

#4EB9E9 #E94E6B #E9CC4E

monochromatic

#157AA8 #1CA2DE #4EB9E9 #84CFF0 #BBE4F7

Accessibility & contrast

On white

2.22

#4EB9E9 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.44

#4EB9E9 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #4EB9E9

9.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4EB9E9	#FFFFFF	#000000	##000000
##4EB9E9	1.00	2.22	9.44	9.44
#FFFFFF	2.22	1.00	21.00	21.00
#000000	9.44	21.00	1.00	1.00
##000000	9.44	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A1B7EB

Deuteranopia (green-blind)

#8BA7E8

Tritanopia (blue-blind)

#00C6C9

Achromatopsia (no color)

#AEAEAE

Design tokens & code

CSS

--color: #4eb9e9;
/* rgb */ color: rgb(78, 185, 233);
/* oklch */ color: oklch(74.3% 0.119 230.9);

Tailwind

colors: {
  custom: {
    50: '#90cef0',
    500: '#4eb9e9',
    950: '#000000',
  },
}

SCSS

$custom: #4eb9e9;
$custom-light: #90cef0;
$custom-dark: #000000;

JSON

{
  "hex": "#4eb9e9",
  "rgb": {
    "r": 78,
    "g": 185,
    "b": 233
  },
  "hsl": {
    "h": 198.581,
    "s": 77.889,
    "l": 60.98
  },
  "oklch": {
    "l": 0.74322,
    "c": 0.11908,
    "h": 230.9
  },
  "luminance": 0.42201
}

Semantic roles & 50–950 ramp

primary

#4EB9E9

secondary

#E7BEAC

accent

#4B0BDA

background

#F9FCFE

surface

#F2F9FD

border

#CCD2D5

text

#0E1316

muted

#7E8284

Preview Lab

Preview with #4EB9E9

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

Preview Lab → · Contrast checker → · Palette generator →