#DEF3FB#DEF3FB

#DEF3FB is a very light, muted cyan. Relative luminance 0.866; OKLCH L 95.1% C 0.025 H 222.6°. Best body text is #000000 at 18.32:1 contrast (WCAG AA passes).

Color values

HEX	#DEF3FB
RGB	rgb(222, 243, 251)
HSL	hsl(197, 78%, 93%)
HSV	hsv(197, 12%, 98%)
CMYK	cmyk(11.6%, 3.2%, 0%, 1.6%)
CIE-LAB	lab(94.57, -5.31, -6.19)
CIE-LCH	lch(94.57, 8.16, 229.35°)
OKLab	oklab(95.11% -0.0181 -0.0167)
OKLCH	oklch(95.11% 0.025 222.6)
XYZ	xyz(79.5833, 86.5944, 103.7696)
Luminance	0.8660 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#DEF3FB #FBE6DE

analogous

#DEFBF4 #DEF3FB #DEE4FB

triadic

#DEF3FB #FBDEF3 #F3FBDE

tetradic

#DEF3FB #F4DEFB #FBE6DE #E4FBDE

square

#DEF3FB #F4DEFB #FBE6DE #E4FBDE

split-complementary

#DEF3FB #FBDEE4 #FBF4DE

monochromatic

#71CBEE #A7DFF4 #DEF3FB #E4F5FC #E4F5FC

Accessibility & contrast

On white

1.15

#DEF3FB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.32

#DEF3FB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #DEF3FB

18.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##DEF3FB	#FFFFFF	#000000	##000000
##DEF3FB	1.00	1.15	18.32	18.32
#FFFFFF	1.15	1.00	21.00	21.00
#000000	18.32	21.00	1.00	1.00
##000000	18.32	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#EEF2FB

Deuteranopia (green-blind)

#EAEEFB

Tritanopia (blue-blind)

#D6F6F5

Achromatopsia (no color)

#EFEFEF

Design tokens & code

CSS

--color: #def3fb;
/* rgb */ color: rgb(222, 243, 251);
/* oklch */ color: oklch(95.1% 0.025 222.6);

Tailwind

colors: {
  custom: {
    50: '#e8f7fc',
    500: '#def3fb',
    950: '#000000',
  },
}

SCSS

$custom: #def3fb;
$custom-light: #e8f7fc;
$custom-dark: #000000;

JSON

{
  "hex": "#def3fb",
  "rgb": {
    "r": 222,
    "g": 243,
    "b": 251
  },
  "hsl": {
    "h": 196.552,
    "s": 78.378,
    "l": 92.745
  },
  "oklch": {
    "l": 0.95111,
    "c": 0.02463,
    "h": 222.6
  },
  "luminance": 0.86596
}

Semantic roles & 50–950 ramp

primary

#DEF3FB

secondary

#E2AF9B

accent

#440BDB

background

#FEFFFF

surface

#FCFEFF

border

#D5D6D7

text

#161717

muted

#848585

Preview Lab

Preview with #DEF3FB

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

Preview Lab → · Contrast checker → · Palette generator →