#4BB4E3#4BB4E3

#4BB4E3 is a light, moderate cyan. Relative luminance 0.397; OKLCH L 72.8% C 0.117 H 230.8°. Best body text is #000000 at 8.94:1 contrast (WCAG AA passes).

Color values

HEX	#4BB4E3
RGB	rgb(75, 180, 227)
HSL	hsl(199, 73%, 59%)
HSV	hsv(199, 67%, 89%)
CMYK	cmyk(67%, 20.7%, 0%, 11%)
CIE-LAB	lab(69.24, -15.71, -32.42)
CIE-LCH	lch(69.24, 36.03, 244.15°)
OKLab	oklab(72.81% -0.074 -0.0909)
OKLCH	oklch(72.81% 0.117 230.8)
XYZ	xyz(33.0825, 39.6808, 78.5738)
Luminance	0.3968 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4BB4E3 #E37A4B

analogous

#4BE3C6 #4BB4E3 #4B68E3

triadic

#4BB4E3 #E34BB4 #B4E34B

tetradic

#4BB4E3 #C64BE3 #E37A4B #68E34B

square

#4BB4E3 #C64BE3 #E37A4B #68E34B

split-complementary

#4BB4E3 #E34B68 #E3C64B

monochromatic

#18739B #209AD0 #4BB4E3 #80CAEB #B5E0F3

Accessibility & contrast

On white

2.35

#4BB4E3 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.94

#4BB4E3 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #4BB4E3

8.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4BB4E3	#FFFFFF	#000000	##000000
##4BB4E3	1.00	2.35	8.94	8.94
#FFFFFF	2.35	1.00	21.00	21.00
#000000	8.94	21.00	1.00	1.00
##000000	8.94	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9CB2E5

Deuteranopia (green-blind)

#87A2E2

Tritanopia (blue-blind)

#00C1C4

Achromatopsia (no color)

#A9A9A9

Design tokens & code

CSS

--color: #4bb4e3;
/* rgb */ color: rgb(75, 180, 227);
/* oklch */ color: oklch(72.8% 0.117 230.8);

Tailwind

colors: {
  custom: {
    50: '#8ecaec',
    500: '#4bb4e3',
    950: '#000000',
  },
}

SCSS

$custom: #4bb4e3;
$custom-light: #8ecaec;
$custom-dark: #000000;

JSON

{
  "hex": "#4bb4e3",
  "rgb": {
    "r": 75,
    "g": 180,
    "b": 227
  },
  "hsl": {
    "h": 198.553,
    "s": 73.077,
    "l": 59.216
  },
  "oklch": {
    "l": 0.72812,
    "c": 0.11719,
    "h": 230.8
  },
  "luminance": 0.39684
}

Semantic roles & 50–950 ramp

primary

#4BB4E3

secondary

#E3BAA7

accent

#7138F0

background

#F9FCFE

surface

#F2F8FD

border

#CCD1D5

text

#0E1316

muted

#7E8284

Preview Lab

Preview with #4BB4E3

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

Preview Lab → · Contrast checker → · Palette generator →