#4BC1E9#4BC1E9

#4BC1E9 is a light, moderate cyan. Relative luminance 0.455; OKLCH L 76.1% C 0.118 H 224.3°. Best body text is #000000 at 10.10:1 contrast (WCAG AA passes).

Color values

HEX	#4BC1E9
RGB	rgb(75, 193, 233)
HSL	hsl(195, 78%, 60%)
HSV	hsv(195, 68%, 91%)
CMYK	cmyk(67.8%, 17.2%, 0%, 8.6%)
CIE-LAB	lab(73.23, -20.60, -29.53)
CIE-LCH	lch(73.23, 36.01, 235.10°)
OKLab	oklab(76.08% -0.0847 -0.0825)
OKLCH	oklch(76.08% 0.118 224.3)
XYZ	xyz(36.6736, 45.5149, 83.9275)
Luminance	0.4552 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4BC1E9 #E9734B

analogous

#4BE9C2 #4BC1E9 #4B72E9

triadic

#4BC1E9 #E94BC1 #C1E94B

tetradic

#4BC1E9 #C24BE9 #E9734B #72E94B

square

#4BC1E9 #C24BE9 #E9734B #72E94B

split-complementary

#4BC1E9 #E94B72 #E9C24B

monochromatic

#1481A5 #1BABDC #4BC1E9 #82D4F0 #B8E7F6

Accessibility & contrast

On white

2.08

#4BC1E9 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.10

#4BC1E9 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #4BC1E9

10.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4BC1E9	#FFFFFF	#000000	##000000
##4BC1E9	1.00	2.08	10.10	10.10
#FFFFFF	2.08	1.00	21.00	21.00
#000000	10.10	21.00	1.00	1.00
##000000	10.10	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#ABBDEB

Deuteranopia (green-blind)

#95ADE9

Tritanopia (blue-blind)

#00CDCE

Achromatopsia (no color)

#B4B4B4

Design tokens & code

CSS

--color: #4bc1e9;
/* rgb */ color: rgb(75, 193, 233);
/* oklch */ color: oklch(76.1% 0.118 224.3);

Tailwind

colors: {
  custom: {
    50: '#8fd3f0',
    500: '#4bc1e9',
    950: '#000000',
  },
}

SCSS

$custom: #4bc1e9;
$custom-light: #8fd3f0;
$custom-dark: #000000;

JSON

{
  "hex": "#4bc1e9",
  "rgb": {
    "r": 75,
    "g": 193,
    "b": 233
  },
  "hsl": {
    "h": 195.19,
    "s": 78.218,
    "l": 60.392
  },
  "oklch": {
    "l": 0.76075,
    "c": 0.11829,
    "h": 224.3
  },
  "luminance": 0.45519
}

Semantic roles & 50–950 ramp

primary

#4BC1E9

secondary

#E6B9AA

accent

#400BDA

background

#F9FCFE

surface

#F2F9FD

border

#CCD2D5

text

#0E1416

muted

#7E8284

Preview Lab

Preview with #4BC1E9

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

Preview Lab → · Contrast checker → · Palette generator →