#4BB1D1#4BB1D1

#4BB1D1 is a light, moderate cyan. Relative luminance 0.375; OKLCH L 71.3% C 0.104 H 221.9°. Best body text is #000000 at 8.51:1 contrast (WCAG AA passes).

Color values

HEX	#4BB1D1
RGB	rgb(75, 177, 209)
HSL	hsl(194, 59%, 56%)
HSV	hsv(194, 64%, 82%)
CMYK	cmyk(64.1%, 15.3%, 0%, 18%)
CIE-LAB	lab(67.68, -19.78, -24.96)
CIE-LCH	lch(67.68, 31.84, 231.61°)
OKLab	oklab(71.34% -0.0775 -0.0696)
OKLCH	oklch(71.34% 0.104 221.9)
XYZ	xyz(30.1278, 37.5404, 65.9675)
Luminance	0.3754 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4BB1D1 #D16B4B

analogous

#4BD1AE #4BB1D1 #4B6ED1

triadic

#4BB1D1 #D14BB1 #B1D14B

tetradic

#4BB1D1 #AE4BD1 #D16B4B #6ED14B

square

#4BB1D1 #AE4BD1 #D16B4B #6ED14B

split-complementary

#4BB1D1 #D14B6E #D1AE4B

monochromatic

#216A81 #2D92B1 #4BB1D1 #7CC6DD #ACDBEA

Accessibility & contrast

On white

2.47

#4BB1D1 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.51

#4BB1D1 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #4BB1D1

8.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4BB1D1	#FFFFFF	#000000	##000000
##4BB1D1	1.00	2.47	8.51	8.51
#FFFFFF	2.47	1.00	21.00	21.00
#000000	8.51	21.00	1.00	1.00
##000000	8.51	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9EADD3

Deuteranopia (green-blind)

#8B9FD1

Tritanopia (blue-blind)

#00BBBB

Achromatopsia (no color)

#A5A5A5

Design tokens & code

CSS

--color: #4bb1d1;
/* rgb */ color: rgb(75, 177, 209);
/* oklch */ color: oklch(71.3% 0.104 221.9);

Tailwind

colors: {
  custom: {
    50: '#8bc8df',
    500: '#4bb1d1',
    950: '#000000',
  },
}

SCSS

$custom: #4bb1d1;
$custom-light: #8bc8df;
$custom-dark: #000000;

JSON

{
  "hex": "#4bb1d1",
  "rgb": {
    "r": 75,
    "g": 177,
    "b": 209
  },
  "hsl": {
    "h": 194.328,
    "s": 59.292,
    "l": 55.686
  },
  "oklch": {
    "l": 0.71338,
    "c": 0.10414,
    "h": 221.9
  },
  "luminance": 0.37544
}

Semantic roles & 50–950 ramp

primary

#4BB1D1

secondary

#D8ADA0

accent

#6B45E2

background

#F9FCFD

surface

#F1F8FB

border

#CBD1D4

text

#0D1315

muted

#7E8283

Preview Lab

Preview with #4BB1D1

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

Preview Lab → · Contrast checker → · Palette generator →