#4EC9EB#4EC9EB

#4EC9EB is a light, moderate cyan. Relative luminance 0.494; OKLCH L 78.1% C 0.117 H 219.6°. Best body text is #000000 at 10.88:1 contrast (WCAG AA passes).

Color values

HEX	#4EC9EB
RGB	rgb(78, 201, 235)
HSL	hsl(193, 80%, 61%)
HSV	hsv(193, 67%, 92%)
CMYK	cmyk(66.8%, 14.5%, 0%, 7.8%)
CIE-LAB	lab(75.69, -23.62, -26.83)
CIE-LCH	lch(75.69, 35.74, 228.64°)
OKLab	oklab(78.09% -0.0903 -0.0748)
OKLCH	oklch(78.09% 0.117 219.6)
XYZ	xyz(39.0178, 49.3868, 86.0574)
Luminance	0.4939 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4EC9EB #EB704E

analogous

#4EEBBF #4EC9EB #4E7BEB

triadic

#4EC9EB #EB4EC9 #C9EB4E

tetradic

#4EC9EB #BF4EEB #EB704E #7BEB4E

square

#4EC9EB #BF4EEB #EB704E #7BEB4E

split-complementary

#4EC9EB #EB4E7B #EBBF4E

monochromatic

#138AAB #1AB7E2 #4EC9EB #85DAF1 #BCEBF7

Accessibility & contrast

On white

1.93

#4EC9EB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.88

#4EC9EB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #4EC9EB

10.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4EC9EB	#FFFFFF	#000000	##000000
##4EC9EB	1.00	1.93	10.88	10.88
#FFFFFF	1.93	1.00	21.00	21.00
#000000	10.88	21.00	1.00	1.00
##000000	10.88	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B4C4ED

Deuteranopia (green-blind)

#9EB3EB

Tritanopia (blue-blind)

#00D4D4

Achromatopsia (no color)

#BABABA

Design tokens & code

CSS

--color: #4ec9eb;
/* rgb */ color: rgb(78, 201, 235);
/* oklch */ color: oklch(78.1% 0.117 219.6);

Tailwind

colors: {
  custom: {
    50: '#91d9f1',
    500: '#4ec9eb',
    950: '#000000',
  },
}

SCSS

$custom: #4ec9eb;
$custom-light: #91d9f1;
$custom-dark: #000000;

JSON

{
  "hex": "#4ec9eb",
  "rgb": {
    "r": 78,
    "g": 201,
    "b": 235
  },
  "hsl": {
    "h": 192.994,
    "s": 79.695,
    "l": 61.373
  },
  "oklch": {
    "l": 0.78094,
    "c": 0.1173,
    "h": 219.6
  },
  "luminance": 0.49391
}

Semantic roles & 50–950 ramp

primary

#4EC9EB

secondary

#E8BAAD

accent

#3709DC

background

#F9FDFE

surface

#F2FAFD

border

#CCD3D5

text

#0E1416

muted

#7E8384

Preview Lab

Preview with #4EC9EB

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

Preview Lab → · Contrast checker → · Palette generator →