#ECFBFF#ECFBFF

#ECFBFF is a very light, near-neutral cyan. Relative luminance 0.940; OKLCH L 97.8% C 0.017 H 215.5°. Best body text is #000000 at 19.81:1 contrast (WCAG AA passes).

Color values

HEX	#ECFBFF
RGB	rgb(236, 251, 255)
HSL	hsl(193, 100%, 96%)
HSV	hsv(193, 7%, 100%)
CMYK	cmyk(7.5%, 1.6%, 0%, 0%)
CIE-LAB	lab(97.65, -4.15, -3.60)
CIE-LCH	lch(97.65, 5.49, 220.95°)
OKLab	oklab(97.82% -0.0136 -0.0097)
OKLCH	oklch(97.82% 0.017 215.5)
XYZ	xyz(87.1354, 94.0462, 108.1504)
Luminance	0.9405 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#ECFBFF #FFF0EC

analogous

#ECFFFA #ECFBFF #ECF2FF

triadic

#ECFBFF #FFECFB #FBFFEC

tetradic

#ECFBFF #FAECFF #FFF0EC #F2FFEC

square

#ECFBFF #FAECFF #FFF0EC #F2FFEC

split-complementary

#ECFBFF #FFECF2 #FFFAEC

monochromatic

#72E1FF #AFEEFF #E0F9FF #E0F9FF #E0F9FF

Accessibility & contrast

On white

1.06

#ECFBFF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

19.81

#ECFBFF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #ECFBFF

19.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##ECFBFF	#FFFFFF	#000000	##000000
##ECFBFF	1.00	1.06	19.81	19.81
#FFFFFF	1.06	1.00	21.00	21.00
#000000	19.81	21.00	1.00	1.00
##000000	19.81	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#F8FAFF

Deuteranopia (green-blind)

#F5F7FF

Tritanopia (blue-blind)

#E7FDFC

Achromatopsia (no color)

#F8F8F8

Design tokens & code

CSS

--color: #ecfbff;
/* rgb */ color: rgb(236, 251, 255);
/* oklch */ color: oklch(97.8% 0.017 215.5);

Tailwind

colors: {
  custom: {
    50: '#f2fcff',
    500: '#ecfbff',
    950: '#000000',
  },
}

SCSS

$custom: #ecfbff;
$custom-light: #f2fcff;
$custom-dark: #000000;

JSON

{
  "hex": "#ecfbff",
  "rgb": {
    "r": 236,
    "g": 251,
    "b": 255
  },
  "hsl": {
    "h": 192.632,
    "s": 100,
    "l": 96.275
  },
  "oklch": {
    "l": 0.97816,
    "c": 0.01669,
    "h": 215.5
  },
  "luminance": 0.94047
}

Semantic roles & 50–950 ramp

primary

#ECFBFF

secondary

#EEB1A1

accent

#3000E6

background

#FFFFFF

surface

#FEFFFF

border

#D6D7D7

text

#161718

muted

#858586

Preview Lab

Preview with #ECFBFF

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

Preview Lab → · Contrast checker → · Palette generator →