#4BC9E3#4BC9E3

#4BC9E3 is a light, moderate cyan. Relative luminance 0.488; OKLCH L 77.7% C 0.115 H 214.1°. Best body text is #000000 at 10.76:1 contrast (WCAG AA passes).

Color values

HEX	#4BC9E3
RGB	rgb(75, 201, 227)
HSL	hsl(190, 73%, 59%)
HSV	hsv(190, 67%, 89%)
CMYK	cmyk(67%, 11.5%, 0%, 11%)
CIE-LAB	lab(75.33, -26.48, -23.07)
CIE-LCH	lch(75.33, 35.12, 221.07°)
OKLab	oklab(77.69% -0.0949 -0.0642)
OKLCH	oklch(77.69% 0.115 214.1)
XYZ	xyz(37.6476, 48.8110, 80.0955)
Luminance	0.4881 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4BC9E3 #E3654B

analogous

#4BE3B1 #4BC9E3 #4B7DE3

triadic

#4BC9E3 #E34BC9 #C9E34B

tetradic

#4BC9E3 #B14BE3 #E3654B #7DE34B

square

#4BC9E3 #B14BE3 #E3654B #7DE34B

split-complementary

#4BC9E3 #E34B7D #E3B14B

monochromatic

#18859B #20B2D0 #4BC9E3 #80D9EB #B5E9F3

Accessibility & contrast

On white

1.95

#4BC9E3 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.76

#4BC9E3 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #4BC9E3

10.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4BC9E3	#FFFFFF	#000000	##000000
##4BC9E3	1.00	1.95	10.76	10.76
#FFFFFF	1.95	1.00	21.00	21.00
#000000	10.76	21.00	1.00	1.00
##000000	10.76	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B6C3E5

Deuteranopia (green-blind)

#A0B3E3

Tritanopia (blue-blind)

#00D3D1

Achromatopsia (no color)

#BABABA

Design tokens & code

CSS

--color: #4bc9e3;
/* rgb */ color: rgb(75, 201, 227);
/* oklch */ color: oklch(77.7% 0.115 214.1);

Tailwind

colors: {
  custom: {
    50: '#8fd9eb',
    500: '#4bc9e3',
    950: '#000000',
  },
}

SCSS

$custom: #4bc9e3;
$custom-light: #8fd9eb;
$custom-dark: #000000;

JSON

{
  "hex": "#4bc9e3",
  "rgb": {
    "r": 75,
    "g": 201,
    "b": 227
  },
  "hsl": {
    "h": 190.263,
    "s": 73.077,
    "l": 59.216
  },
  "oklch": {
    "l": 0.77692,
    "c": 0.1146,
    "h": 214.1
  },
  "luminance": 0.48815
}

Semantic roles & 50–950 ramp

primary

#4BC9E3

secondary

#E3B1A7

accent

#5738F0

background

#F9FDFE

surface

#F2FAFD

border

#CCD3D5

text

#0E1416

muted

#7E8384

Preview Lab

Preview with #4BC9E3

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

Preview Lab → · Contrast checker → · Palette generator →