#4AC9E3#4AC9E3

#4AC9E3 is a light, moderate cyan. Relative luminance 0.488; OKLCH L 77.7% C 0.115 H 214.0°. Best body text is #000000 at 10.76:1 contrast (WCAG AA passes).

Color values

HEX	#4AC9E3
RGB	rgb(74, 201, 227)
HSL	hsl(190, 73%, 59%)
HSV	hsv(190, 67%, 89%)
CMYK	cmyk(67.4%, 11.5%, 0%, 11%)
CIE-LAB	lab(75.31, -26.62, -23.11)
CIE-LCH	lch(75.31, 35.26, 220.96°)
OKLab	oklab(77.66% -0.0954 -0.0643)
OKLCH	oklch(77.66% 0.115 214)
XYZ	xyz(37.5700, 48.7710, 80.0919)
Luminance	0.4878 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4AC9E3 #E3644A

analogous

#4AE3B1 #4AC9E3 #4A7DE3

triadic

#4AC9E3 #E34AC9 #C9E34A

tetradic

#4AC9E3 #B14AE3 #E3644A #7DE34A

square

#4AC9E3 #B14AE3 #E3644A #7DE34A

split-complementary

#4AC9E3 #E34A7D #E3B14A

monochromatic

#18849B #20B2D0 #4AC9E3 #7FD9EB #B4E9F3

Accessibility & contrast

On white

1.95

#4AC9E3 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.76

#4AC9E3 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #4AC9E3

10.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4AC9E3	#FFFFFF	#000000	##000000
##4AC9E3	1.00	1.95	10.76	10.76
#FFFFFF	1.95	1.00	21.00	21.00
#000000	10.76	21.00	1.00	1.00
##000000	10.76	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B6C3E5

Deuteranopia (green-blind)

#A0B3E3

Tritanopia (blue-blind)

#00D3D1

Achromatopsia (no color)

#B9B9B9

Design tokens & code

CSS

--color: #4ac9e3;
/* rgb */ color: rgb(74, 201, 227);
/* oklch */ color: oklch(77.7% 0.115 214.0);

Tailwind

colors: {
  custom: {
    50: '#8fd9eb',
    500: '#4ac9e3',
    950: '#000000',
  },
}

SCSS

$custom: #4ac9e3;
$custom-light: #8fd9eb;
$custom-dark: #000000;

JSON

{
  "hex": "#4ac9e3",
  "rgb": {
    "r": 74,
    "g": 201,
    "b": 227
  },
  "hsl": {
    "h": 190.196,
    "s": 73.206,
    "l": 59.02
  },
  "oklch": {
    "l": 0.77665,
    "c": 0.11507,
    "h": 214
  },
  "luminance": 0.48775
}

Semantic roles & 50–950 ramp

primary

#4AC9E3

secondary

#E2B1A6

accent

#5738F0

background

#F9FDFE

surface

#F2FAFD

border

#CCD3D5

text

#0E1416

muted

#7E8384

Preview Lab

Preview with #4AC9E3

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

Preview Lab → · Contrast checker → · Palette generator →