#A4DEF3#A4DEF3

#A4DEF3 is a very light, moderate cyan. Relative luminance 0.666; OKLCH L 86.8% C 0.066 H 222.3°. Best body text is #000000 at 14.32:1 contrast (WCAG AA passes).

Color values

HEX	#A4DEF3
RGB	rgb(164, 222, 243)
HSL	hsl(196, 77%, 80%)
HSV	hsv(196, 33%, 95%)
CMYK	cmyk(32.5%, 8.6%, 0%, 4.7%)
CIE-LAB	lab(85.30, -13.52, -16.18)
CIE-LCH	lch(85.30, 21.09, 230.11°)
OKLab	oklab(86.8% -0.0487 -0.0443)
OKLCH	oklch(86.8% 0.066 222.3)
XYZ	xyz(57.6035, 66.6031, 94.5971)
Luminance	0.6661 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A4DEF3 #F3B9A4

analogous

#A4F3E0 #A4DEF3 #A4B7F3

triadic

#A4DEF3 #F3A4DE #DEF3A4

tetradic

#A4DEF3 #E0A4F3 #F3B9A4 #B7F3A4

square

#A4DEF3 #E0A4F3 #F3B9A4 #B7F3A4

split-complementary

#A4DEF3 #F3A4B7 #F3E0A4

monochromatic

#38B7E5 #6ECAEC #A4DEF3 #DAF2FA #E4F5FB

Accessibility & contrast

On white

1.47

#A4DEF3 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

14.32

#A4DEF3 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #A4DEF3

14.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A4DEF3	#FFFFFF	#000000	##000000
##A4DEF3	1.00	1.47	14.32	14.32
#FFFFFF	1.47	1.00	21.00	21.00
#000000	14.32	21.00	1.00	1.00
##000000	14.32	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D2DBF4

Deuteranopia (green-blind)

#C5D1F3

Tritanopia (blue-blind)

#89E5E4

Achromatopsia (no color)

#D5D5D5

Design tokens & code

CSS

--color: #a4def3;
/* rgb */ color: rgb(164, 222, 243);
/* oklch */ color: oklch(86.8% 0.066 222.3);

Tailwind

colors: {
  custom: {
    50: '#c1e8f7',
    500: '#a4def3',
    950: '#000000',
  },
}

SCSS

$custom: #a4def3;
$custom-light: #c1e8f7;
$custom-dark: #000000;

JSON

{
  "hex": "#a4def3",
  "rgb": {
    "r": 164,
    "g": 222,
    "b": 243
  },
  "hsl": {
    "h": 195.949,
    "s": 76.699,
    "l": 79.804
  },
  "oklch": {
    "l": 0.868,
    "c": 0.06581,
    "h": 222.3
  },
  "luminance": 0.66606
}

Semantic roles & 50–950 ramp

primary

#A4DEF3

secondary

#D28569

accent

#430DD9

background

#FDFEFF

surface

#F9FCFE

border

#D2D5D6

text

#121617

muted

#828485

Preview Lab

Preview with #A4DEF3

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

Preview Lab → · Contrast checker → · Palette generator →