#4BB5CF#4BB5CF

#4BB5CF is a light, moderate cyan. Relative luminance 0.390; OKLCH L 72.2% C 0.103 H 216.8°. Best body text is #000000 at 8.81:1 contrast (WCAG AA passes).

Color values

HEX	#4BB5CF
RGB	rgb(75, 181, 207)
HSL	hsl(192, 58%, 55%)
HSV	hsv(192, 64%, 81%)
CMYK	cmyk(63.8%, 12.6%, 0%, 18.8%)
CIE-LAB	lab(68.78, -22.45, -22.17)
CIE-LCH	lch(68.78, 31.55, 224.64°)
OKLab	oklab(72.2% -0.0824 -0.0617)
OKLCH	oklch(72.2% 0.103 216.8)
XYZ	xyz(30.6834, 39.0453, 64.9388)
Luminance	0.3905 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4BB5CF #CF654B

analogous

#4BCFA7 #4BB5CF #4B73CF

triadic

#4BB5CF #CF4BB5 #B5CF4B

tetradic

#4BB5CF #A74BCF #CF654B #73CF4B

square

#4BB5CF #A74BCF #CF654B #73CF4B

split-complementary

#4BB5CF #CF4B73 #CFA74B

monochromatic

#226C7E #2E95AE #4BB5CF #7BC9DC #ACDDE9

Accessibility & contrast

On white

2.38

#4BB5CF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.81

#4BB5CF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #4BB5CF

8.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4BB5CF	#FFFFFF	#000000	##000000
##4BB5CF	1.00	2.38	8.81	8.81
#FFFFFF	2.38	1.00	21.00	21.00
#000000	8.81	21.00	1.00	1.00
##000000	8.81	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A4B0D0

Deuteranopia (green-blind)

#91A2CF

Tritanopia (blue-blind)

#00BEBD

Achromatopsia (no color)

#A8A8A8

Design tokens & code

CSS

--color: #4bb5cf;
/* rgb */ color: rgb(75, 181, 207);
/* oklch */ color: oklch(72.2% 0.103 216.8);

Tailwind

colors: {
  custom: {
    50: '#8bcbdd',
    500: '#4bb5cf',
    950: '#000000',
  },
}

SCSS

$custom: #4bb5cf;
$custom-light: #8bcbdd;
$custom-dark: #000000;

JSON

{
  "hex": "#4bb5cf",
  "rgb": {
    "r": 75,
    "g": 181,
    "b": 207
  },
  "hsl": {
    "h": 191.818,
    "s": 57.895,
    "l": 55.294
  },
  "oklch": {
    "l": 0.72199,
    "c": 0.10293,
    "h": 216.8
  },
  "luminance": 0.39049
}

Semantic roles & 50–950 ramp

primary

#4BB5CF

secondary

#D6AA9F

accent

#6547E1

background

#F9FCFD

surface

#F1F8FB

border

#CBD1D4

text

#0D1315

muted

#7E8283

Preview Lab

Preview with #4BB5CF

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

Preview Lab → · Contrast checker → · Palette generator →