#4BB1D9#4BB1D9

#4BB1D9 is a light, moderate cyan. Relative luminance 0.380; OKLCH L 71.7% C 0.110 H 227.3°. Best body text is #000000 at 8.59:1 contrast (WCAG AA passes).

Color values

HEX	#4BB1D9
RGB	rgb(75, 177, 217)
HSL	hsl(197, 65%, 57%)
HSV	hsv(197, 65%, 85%)
CMYK	cmyk(65.4%, 18.4%, 0%, 14.9%)
CIE-LAB	lab(67.98, -17.29, -28.89)
CIE-LCH	lch(67.98, 33.67, 239.11°)
OKLab	oklab(71.68% -0.0745 -0.0808)
OKLCH	oklch(71.68% 0.11 227.3)
XYZ	xyz(31.1432, 37.9466, 71.3153)
Luminance	0.3795 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4BB1D9 #D9734B

analogous

#4BD9BA #4BB1D9 #4B6AD9

triadic

#4BB1D9 #D94BB1 #B1D94B

tetradic

#4BB1D9 #BA4BD9 #D9734B #6AD94B

square

#4BB1D9 #BA4BD9 #D9734B #6AD94B

split-complementary

#4BB1D9 #D94B6A #D9BA4B

monochromatic

#1E6D8C #2894BF #4BB1D9 #7EC7E4 #B0DDEE

Accessibility & contrast

On white

2.44

#4BB1D9 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.59

#4BB1D9 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #4BB1D9

8.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4BB1D9	#FFFFFF	#000000	##000000
##4BB1D9	1.00	2.44	8.59	8.59
#FFFFFF	2.44	1.00	21.00	21.00
#000000	8.59	21.00	1.00	1.00
##000000	8.59	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9CAEDB

Deuteranopia (green-blind)

#889FD9

Tritanopia (blue-blind)

#00BDBE

Achromatopsia (no color)

#A6A6A6

Design tokens & code

CSS

--color: #4bb1d9;
/* rgb */ color: rgb(75, 177, 217);
/* oklch */ color: oklch(71.7% 0.110 227.3);

Tailwind

colors: {
  custom: {
    50: '#8cc8e5',
    500: '#4bb1d9',
    950: '#000000',
  },
}

SCSS

$custom: #4bb1d9;
$custom-light: #8cc8e5;
$custom-dark: #000000;

JSON

{
  "hex": "#4bb1d9",
  "rgb": {
    "r": 75,
    "g": 177,
    "b": 217
  },
  "hsl": {
    "h": 196.901,
    "s": 65.138,
    "l": 57.255
  },
  "oklch": {
    "l": 0.71678,
    "c": 0.10991,
    "h": 227.3
  },
  "luminance": 0.3795
}

Semantic roles & 50–950 ramp

primary

#4BB1D9

secondary

#DDB3A3

accent

#6F40E8

background

#F9FCFD

surface

#F2F8FB

border

#CCD1D4

text

#0D1315

muted

#7E8283

Preview Lab

Preview with #4BB1D9

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

Preview Lab → · Contrast checker → · Palette generator →