#ADD3F9#ADD3F9

#ADD3F9 is a very light, moderate cyan. Relative luminance 0.623; OKLCH L 85.2% C 0.067 H 248.6°. Best body text is #000000 at 13.46:1 contrast (WCAG AA passes).

Color values

HEX	#ADD3F9
RGB	rgb(173, 211, 249)
HSL	hsl(210, 86%, 83%)
HSV	hsv(210, 31%, 98%)
CMYK	cmyk(30.5%, 15.3%, 0%, 2.4%)
CIE-LAB	lab(83.08, -3.89, -22.67)
CIE-LCH	lch(83.08, 23.00, 260.27°)
OKLab	oklab(85.24% -0.0244 -0.0622)
OKLCH	oklch(85.24% 0.067 248.6)
XYZ	xyz(57.6216, 62.3099, 98.5951)
Luminance	0.6231 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#ADD3F9 #F9D3AD

analogous

#ADF9F9 #ADD3F9 #ADADF9

triadic

#ADD3F9 #F9ADD3 #D3F9AD

tetradic

#ADD3F9 #F9ADF9 #F9D3AD #ADF9AD

square

#ADD3F9 #F9ADF9 #F9D3AD #ADF9AD

split-complementary

#ADD3F9 #F9ADAD #F9F9AD

monochromatic

#3B96F1 #74B4F5 #ADD3F9 #E2F0FD #E2F0FD

Accessibility & contrast

On white

1.56

#ADD3F9 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.46

#ADD3F9 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #ADD3F9

13.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##ADD3F9	#FFFFFF	#000000	##000000
##ADD3F9	1.00	1.56	13.46	13.46
#FFFFFF	1.56	1.00	21.00	21.00
#000000	13.46	21.00	1.00	1.00
##000000	13.46	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C5D3FB

Deuteranopia (green-blind)

#BBCBF8

Tritanopia (blue-blind)

#96DCDF

Achromatopsia (no color)

#CFCFCF

Design tokens & code

CSS

--color: #add3f9;
/* rgb */ color: rgb(173, 211, 249);
/* oklch */ color: oklch(85.2% 0.067 248.6);

Tailwind

colors: {
  custom: {
    50: '#c7e0fb',
    500: '#add3f9',
    950: '#000000',
  },
}

SCSS

$custom: #add3f9;
$custom-light: #c7e0fb;
$custom-dark: #000000;

JSON

{
  "hex": "#add3f9",
  "rgb": {
    "r": 173,
    "g": 211,
    "b": 249
  },
  "hsl": {
    "h": 210,
    "s": 86.364,
    "l": 82.745
  },
  "oklch": {
    "l": 0.85239,
    "c": 0.06681,
    "h": 248.6
  },
  "luminance": 0.62312
}

Semantic roles & 50–950 ramp

primary

#ADD3F9

secondary

#DBA56F

accent

#7303E3

background

#FDFEFF

surface

#F9FCFF

border

#D2D5D7

text

#131517

muted

#828485

Preview Lab

Preview with #ADD3F9

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

Preview Lab → · Contrast checker → · Palette generator →