#4BB9E8#4BB9E8

#4BB9E8 is a light, moderate cyan. Relative luminance 0.420; OKLCH L 74.2% C 0.120 H 229.8°. Best body text is #000000 at 9.40:1 contrast (WCAG AA passes).

Color values

HEX	#4BB9E8
RGB	rgb(75, 185, 232)
HSL	hsl(198, 77%, 60%)
HSV	hsv(198, 68%, 91%)
CMYK	cmyk(67.7%, 20.3%, 0%, 9%)
CIE-LAB	lab(70.88, -16.76, -32.61)
CIE-LCH	lch(70.88, 36.66, 242.80°)
OKLab	oklab(74.19% -0.0772 -0.0914)
OKLCH	oklch(74.19% 0.12 229.8)
XYZ	xyz(34.8103, 42.0162, 82.6036)
Luminance	0.4202 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4BB9E8 #E87A4B

analogous

#4BE8C9 #4BB9E8 #4B6AE8

triadic

#4BB9E8 #E84BB9 #B9E84B

tetradic

#4BB9E8 #C94BE8 #E87A4B #6AE84B

square

#4BB9E8 #C94BE8 #E87A4B #6AE84B

split-complementary

#4BB9E8 #E84B6A #E8C94B

monochromatic

#1579A4 #1CA1DA #4BB9E8 #81CEEF #B8E3F6

Accessibility & contrast

On white

2.23

#4BB9E8 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.40

#4BB9E8 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #4BB9E8

9.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4BB9E8	#FFFFFF	#000000	##000000
##4BB9E8	1.00	2.23	9.40	9.40
#FFFFFF	2.23	1.00	21.00	21.00
#000000	9.40	21.00	1.00	1.00
##000000	9.40	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A1B6EA

Deuteranopia (green-blind)

#8BA7E7

Tritanopia (blue-blind)

#00C6C9

Achromatopsia (no color)

#ADADAD

Design tokens & code

CSS

--color: #4bb9e8;
/* rgb */ color: rgb(75, 185, 232);
/* oklch */ color: oklch(74.2% 0.120 229.8);

Tailwind

colors: {
  custom: {
    50: '#8eceef',
    500: '#4bb9e8',
    950: '#000000',
  },
}

SCSS

$custom: #4bb9e8;
$custom-light: #8eceef;
$custom-dark: #000000;

JSON

{
  "hex": "#4bb9e8",
  "rgb": {
    "r": 75,
    "g": 185,
    "b": 232
  },
  "hsl": {
    "h": 197.962,
    "s": 77.34,
    "l": 60.196
  },
  "oklch": {
    "l": 0.74186,
    "c": 0.11963,
    "h": 229.8
  },
  "luminance": 0.4202
}

Semantic roles & 50–950 ramp

primary

#4BB9E8

secondary

#E6BBA9

accent

#490CDA

background

#F9FCFE

surface

#F2F9FD

border

#CCD2D5

text

#0E1316

muted

#7E8284

Preview Lab

Preview with #4BB9E8

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

Preview Lab → · Contrast checker → · Palette generator →