#4BB5E0#4BB5E0

#4BB5E0 is a light, moderate cyan. Relative luminance 0.399; OKLCH L 72.9% C 0.114 H 228.3°. Best body text is #000000 at 8.99:1 contrast (WCAG AA passes).

Color values

HEX	#4BB5E0
RGB	rgb(75, 181, 224)
HSL	hsl(197, 71%, 59%)
HSV	hsv(197, 67%, 88%)
CMYK	cmyk(66.5%, 19.2%, 0%, 12.2%)
CIE-LAB	lab(69.41, -17.19, -30.52)
CIE-LCH	lch(69.41, 35.03, 240.61°)
OKLab	oklab(72.91% -0.0761 -0.0854)
OKLCH	oklch(72.91% 0.114 228.3)
XYZ	xyz(32.8747, 39.9219, 76.4797)
Luminance	0.3992 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4BB5E0 #E0764B

analogous

#4BE0C0 #4BB5E0 #4B6AE0

triadic

#4BB5E0 #E04BB5 #B5E04B

tetradic

#4BB5E0 #C04BE0 #E0764B #6AE04B

square

#4BB5E0 #C04BE0 #E0764B #6AE04B

split-complementary

#4BB5E0 #E04B6A #E0C04B

monochromatic

#1A7397 #239ACB #4BB5E0 #7FCAE9 #B3E0F2

Accessibility & contrast

On white

2.34

#4BB5E0 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.99

#4BB5E0 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #4BB5E0

8.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4BB5E0	#FFFFFF	#000000	##000000
##4BB5E0	1.00	2.34	8.99	8.99
#FFFFFF	2.34	1.00	21.00	21.00
#000000	8.99	21.00	1.00	1.00
##000000	8.99	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9FB2E2

Deuteranopia (green-blind)

#8AA3DF

Tritanopia (blue-blind)

#00C1C3

Achromatopsia (no color)

#A9A9A9

Design tokens & code

CSS

--color: #4bb5e0;
/* rgb */ color: rgb(75, 181, 224);
/* oklch */ color: oklch(72.9% 0.114 228.3);

Tailwind

colors: {
  custom: {
    50: '#8dcbe9',
    500: '#4bb5e0',
    950: '#000000',
  },
}

SCSS

$custom: #4bb5e0;
$custom-light: #8dcbe9;
$custom-dark: #000000;

JSON

{
  "hex": "#4bb5e0",
  "rgb": {
    "r": 75,
    "g": 181,
    "b": 224
  },
  "hsl": {
    "h": 197.315,
    "s": 70.616,
    "l": 58.627
  },
  "oklch": {
    "l": 0.72911,
    "c": 0.11436,
    "h": 228.3
  },
  "luminance": 0.39925
}

Semantic roles & 50–950 ramp

primary

#4BB5E0

secondary

#E1B7A6

accent

#6E3AED

background

#F9FCFE

surface

#F2F8FD

border

#CCD1D5

text

#0E1316

muted

#7E8284

Preview Lab

Preview with #4BB5E0

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

Preview Lab → · Contrast checker → · Palette generator →