#4BB3DA#4BB3DA

#4BB3DA is a light, moderate cyan. Relative luminance 0.388; OKLCH L 72.2% C 0.110 H 226.3°. Best body text is #000000 at 8.76:1 contrast (WCAG AA passes).

Color values

HEX	#4BB3DA
RGB	rgb(75, 179, 218)
HSL	hsl(196, 66%, 57%)
HSV	hsv(196, 66%, 85%)
CMYK	cmyk(65.6%, 17.9%, 0%, 14.5%)
CIE-LAB	lab(68.60, -18.02, -28.49)
CIE-LCH	lch(68.60, 33.71, 237.68°)
OKLab	oklab(72.19% -0.0762 -0.0796)
OKLCH	oklch(72.19% 0.11 226.3)
XYZ	xyz(31.6716, 38.7946, 72.1350)
Luminance	0.3880 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4BB3DA #DA724B

analogous

#4BDABA #4BB3DA #4B6BDA

triadic

#4BB3DA #DA4BB3 #B3DA4B

tetradic

#4BB3DA #BA4BDA #DA724B #6BDA4B

square

#4BB3DA #BA4BDA #DA724B #6BDA4B

split-complementary

#4BB3DA #DA4B6B #DABA4B

monochromatic

#1D6F8E #2897C0 #4BB3DA #7EC8E4 #B1DEEF

Accessibility & contrast

On white

2.40

#4BB3DA on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.76

#4BB3DA on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #4BB3DA

8.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4BB3DA	#FFFFFF	#000000	##000000
##4BB3DA	1.00	2.40	8.76	8.76
#FFFFFF	2.40	1.00	21.00	21.00
#000000	8.76	21.00	1.00	1.00
##000000	8.76	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9EB0DC

Deuteranopia (green-blind)

#8AA1DA

Tritanopia (blue-blind)

#00BEC0

Achromatopsia (no color)

#A7A7A7

Design tokens & code

CSS

--color: #4bb3da;
/* rgb */ color: rgb(75, 179, 218);
/* oklch */ color: oklch(72.2% 0.110 226.3);

Tailwind

colors: {
  custom: {
    50: '#8cc9e5',
    500: '#4bb3da',
    950: '#000000',
  },
}

SCSS

$custom: #4bb3da;
$custom-light: #8cc9e5;
$custom-dark: #000000;

JSON

{
  "hex": "#4bb3da",
  "rgb": {
    "r": 75,
    "g": 179,
    "b": 218
  },
  "hsl": {
    "h": 196.364,
    "s": 65.899,
    "l": 57.451
  },
  "oklch": {
    "l": 0.72187,
    "c": 0.1102,
    "h": 226.3
  },
  "luminance": 0.38798
}

Semantic roles & 50–950 ramp

primary

#4BB3DA

secondary

#DDB3A4

accent

#6D3FE9

background

#F9FCFE

surface

#F2F8FC

border

#CCD1D5

text

#0D1315

muted

#7E8284

Preview Lab

Preview with #4BB3DA

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

Preview Lab → · Contrast checker → · Palette generator →