#4BB3CB#4BB3CB

#4BB3CB is a light, moderate cyan. Relative luminance 0.380; OKLCH L 71.6% C 0.101 H 215.6°. Best body text is #000000 at 8.61:1 contrast (WCAG AA passes).

Color values

HEX	#4BB3CB
RGB	rgb(75, 179, 203)
HSL	hsl(191, 55%, 55%)
HSV	hsv(191, 63%, 80%)
CMYK	cmyk(63.1%, 11.8%, 0%, 20.4%)
CIE-LAB	lab(68.05, -22.64, -21.08)
CIE-LCH	lch(68.05, 30.93, 222.96°)
OKLab	oklab(71.57% -0.0819 -0.0586)
OKLCH	oklch(71.57% 0.101 215.6)
XYZ	xyz(29.7968, 38.0447, 62.2614)
Luminance	0.3805 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4BB3CB #CB634B

analogous

#4BCBA3 #4BB3CB #4B73CB

triadic

#4BB3CB #CB4BB3 #B3CB4B

tetradic

#4BB3CB #A34BCB #CB634B #73CB4B

square

#4BB3CB #A34BCB #CB634B #73CB4B

split-complementary

#4BB3CB #CB4B73 #CBA34B

monochromatic

#236979 #3192A8 #4BB3CB #7AC7D9 #AADBE6

Accessibility & contrast

On white

2.44

#4BB3CB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.61

#4BB3CB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #4BB3CB

8.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4BB3CB	#FFFFFF	#000000	##000000
##4BB3CB	1.00	2.44	8.61	8.61
#FFFFFF	2.44	1.00	21.00	21.00
#000000	8.61	21.00	1.00	1.00
##000000	8.61	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A2AECC

Deuteranopia (green-blind)

#90A0CB

Tritanopia (blue-blind)

#00BCBA

Achromatopsia (no color)

#A6A6A6

Design tokens & code

CSS

--color: #4bb3cb;
/* rgb */ color: rgb(75, 179, 203);
/* oklch */ color: oklch(71.6% 0.101 215.6);

Tailwind

colors: {
  custom: {
    50: '#8bcada',
    500: '#4bb3cb',
    950: '#000000',
  },
}

SCSS

$custom: #4bb3cb;
$custom-light: #8bcada;
$custom-dark: #000000;

JSON

{
  "hex": "#4bb3cb",
  "rgb": {
    "r": 75,
    "g": 179,
    "b": 203
  },
  "hsl": {
    "h": 191.25,
    "s": 55.172,
    "l": 54.51
  },
  "oklch": {
    "l": 0.71565,
    "c": 0.10071,
    "h": 215.6
  },
  "luminance": 0.38048
}

Semantic roles & 50–950 ramp

primary

#4BB3CB

secondary

#D4A89E

accent

#6549DF

background

#F9FCFD

surface

#F1F8FA

border

#CBD1D3

text

#0D1315

muted

#7E8283

Preview Lab

Preview with #4BB3CB

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

Preview Lab → · Contrast checker → · Palette generator →