#4BB5FF#4BB5FF

#4BB5FF is a light, vivid cyan. Relative luminance 0.418; OKLCH L 74.4% C 0.144 H 242.8°. Best body text is #000000 at 9.35:1 contrast (WCAG AA passes).

Color values

HEX	#4BB5FF
RGB	rgb(75, 181, 255)
HSL	hsl(205, 100%, 65%)
HSV	hsv(205, 71%, 100%)
CMYK	cmyk(70.6%, 29%, 0%, 0%)
CIE-LAB	lab(70.70, -7.11, -45.35)
CIE-LCH	lch(70.70, 45.90, 261.09°)
OKLab	oklab(74.36% -0.0659 -0.1282)
OKLCH	oklch(74.36% 0.144 242.8)
XYZ	xyz(37.4686, 41.7594, 100.6740)
Luminance	0.4176 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4BB5FF #FF954B

analogous

#4BFFEF #4BB5FF #4B5BFF

triadic

#4BB5FF #FF4BB5 #B5FF4B

tetradic

#4BB5FF #EF4BFF #FF954B #5BFF4B

square

#4BB5FF #EF4BFF #FF954B #5BFF4B

split-complementary

#4BB5FF #FF4B5B #FFEF4B

monochromatic

#007AD0 #0E9CFF #4BB5FF #88CEFF #C5E7FF

Accessibility & contrast

On white

2.25

#4BB5FF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.35

#4BB5FF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #4BB5FF

9.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4BB5FF	#FFFFFF	#000000	##000000
##4BB5FF	1.00	2.25	9.35	9.35
#FFFFFF	2.25	1.00	21.00	21.00
#000000	9.35	21.00	1.00	1.00
##000000	9.35	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#93B6FF

Deuteranopia (green-blind)

#7AA5FE

Tritanopia (blue-blind)

#00C7CF

Achromatopsia (no color)

#ADADAD

Design tokens & code

CSS

--color: #4bb5ff;
/* rgb */ color: rgb(75, 181, 255);
/* oklch */ color: oklch(74.4% 0.144 242.8);

Tailwind

colors: {
  custom: {
    50: '#91caff',
    500: '#4bb5ff',
    950: '#000000',
  },
}

SCSS

$custom: #4bb5ff;
$custom-light: #91caff;
$custom-dark: #000000;

JSON

{
  "hex": "#4bb5ff",
  "rgb": {
    "r": 75,
    "g": 181,
    "b": 255
  },
  "hsl": {
    "h": 204.667,
    "s": 100,
    "l": 64.706
  },
  "oklch": {
    "l": 0.74362,
    "c": 0.14417,
    "h": 242.8
  },
  "luminance": 0.41764
}

Semantic roles & 50–950 ramp

primary

#4BB5FF

secondary

#F2CDB4

accent

#5E00E6

background

#F9FCFF

surface

#F2F8FF

border

#CCD1D7

text

#0E1318

muted

#7E8286

Preview Lab

Preview with #4BB5FF

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

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