#4BC9E4#4BC9E4

#4BC9E4 is a light, moderate cyan. Relative luminance 0.489; OKLCH L 77.7% C 0.115 H 214.7°. Best body text is #000000 at 10.77:1 contrast (WCAG AA passes).

Color values

HEX	#4BC9E4
RGB	rgb(75, 201, 228)
HSL	hsl(191, 74%, 59%)
HSV	hsv(191, 67%, 89%)
CMYK	cmyk(67.1%, 11.8%, 0%, 10.6%)
CIE-LAB	lab(75.37, -26.18, -23.56)
CIE-LCH	lch(75.37, 35.22, 221.98°)
OKLab	oklab(77.73% -0.0945 -0.0656)
OKLCH	oklch(77.73% 0.115 214.7)
XYZ	xyz(37.7860, 48.8664, 80.8245)
Luminance	0.4887 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4BC9E4 #E4664B

analogous

#4BE4B2 #4BC9E4 #4B7DE4

triadic

#4BC9E4 #E44BC9 #C9E44B

tetradic

#4BC9E4 #B24BE4 #E4664B #7DE44B

square

#4BC9E4 #B24BE4 #E4664B #7DE44B

split-complementary

#4BC9E4 #E44B7D #E4B24B

monochromatic

#18859D #20B3D2 #4BC9E4 #80D9EC #B5E9F4

Accessibility & contrast

On white

1.95

#4BC9E4 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.77

#4BC9E4 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #4BC9E4

10.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4BC9E4	#FFFFFF	#000000	##000000
##4BC9E4	1.00	1.95	10.77	10.77
#FFFFFF	1.95	1.00	21.00	21.00
#000000	10.77	21.00	1.00	1.00
##000000	10.77	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B6C3E6

Deuteranopia (green-blind)

#A0B3E4

Tritanopia (blue-blind)

#00D3D1

Achromatopsia (no color)

#BABABA

Design tokens & code

CSS

--color: #4bc9e4;
/* rgb */ color: rgb(75, 201, 228);
/* oklch */ color: oklch(77.7% 0.115 214.7);

Tailwind

colors: {
  custom: {
    50: '#8fd9ec',
    500: '#4bc9e4',
    950: '#000000',
  },
}

SCSS

$custom: #4bc9e4;
$custom-light: #8fd9ec;
$custom-dark: #000000;

JSON

{
  "hex": "#4bc9e4",
  "rgb": {
    "r": 75,
    "g": 201,
    "b": 228
  },
  "hsl": {
    "h": 190.588,
    "s": 73.913,
    "l": 59.412
  },
  "oklch": {
    "l": 0.77731,
    "c": 0.11505,
    "h": 214.7
  },
  "luminance": 0.48871
}

Semantic roles & 50–950 ramp

primary

#4BC9E4

secondary

#E3B2A8

accent

#5837F1

background

#F9FDFE

surface

#F2FAFD

border

#CCD3D5

text

#0E1416

muted

#7E8384

Preview Lab

Preview with #4BC9E4

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

Preview Lab → · Contrast checker → · Palette generator →