#4BB1DB#4BB1DB

#4BB1DB is a light, moderate cyan. Relative luminance 0.381; OKLCH L 71.8% C 0.112 H 228.6°. Best body text is #000000 at 8.61:1 contrast (WCAG AA passes).

Color values

HEX	#4BB1DB
RGB	rgb(75, 177, 219)
HSL	hsl(198, 67%, 58%)
HSV	hsv(198, 66%, 86%)
CMYK	cmyk(65.8%, 19.2%, 0%, 14.1%)
CIE-LAB	lab(68.06, -16.66, -29.87)
CIE-LCH	lch(68.06, 34.20, 240.86°)
OKLab	oklab(71.77% -0.0738 -0.0836)
OKLCH	oklch(71.77% 0.112 228.6)
XYZ	xyz(31.4049, 38.0513, 72.6936)
Luminance	0.3805 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4BB1DB #DB754B

analogous

#4BDBBD #4BB1DB #4B69DB

triadic

#4BB1DB #DB4BB1 #B1DB4B

tetradic

#4BB1DB #BD4BDB #DB754B #69DB4B

square

#4BB1DB #BD4BDB #DB754B #69DB4B

split-complementary

#4BB1DB #DB4B69 #DBBD4B

monochromatic

#1D6E8F #2795C2 #4BB1DB #7EC7E5 #B1DDEF

Accessibility & contrast

On white

2.44

#4BB1DB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.61

#4BB1DB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #4BB1DB

8.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4BB1DB	#FFFFFF	#000000	##000000
##4BB1DB	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)

#9BAEDD

Deuteranopia (green-blind)

#879FDA

Tritanopia (blue-blind)

#00BDBF

Achromatopsia (no color)

#A6A6A6

Design tokens & code

CSS

--color: #4bb1db;
/* rgb */ color: rgb(75, 177, 219);
/* oklch */ color: oklch(71.8% 0.112 228.6);

Tailwind

colors: {
  custom: {
    50: '#8cc8e6',
    500: '#4bb1db',
    950: '#000000',
  },
}

SCSS

$custom: #4bb1db;
$custom-light: #8cc8e6;
$custom-dark: #000000;

JSON

{
  "hex": "#4bb1db",
  "rgb": {
    "r": 75,
    "g": 177,
    "b": 219
  },
  "hsl": {
    "h": 197.5,
    "s": 66.667,
    "l": 57.647
  },
  "oklch": {
    "l": 0.71765,
    "c": 0.11151,
    "h": 228.6
  },
  "luminance": 0.38055
}

Semantic roles & 50–950 ramp

primary

#4BB1DB

secondary

#DEB5A4

accent

#703EEA

background

#F9FCFE

surface

#F2F8FC

border

#CCD1D5

text

#0D1316

muted

#7E8284

Preview Lab

Preview with #4BB1DB

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

Preview Lab → · Contrast checker → · Palette generator →