#ECF3FA#ECF3FA

#ECF3FA is a very light, near-neutral cyan. Relative luminance 0.888; OKLCH L 96.1% C 0.012 H 248.0°. Best body text is #000000 at 18.77:1 contrast (WCAG AA passes).

Color values

HEX	#ECF3FA
RGB	rgb(236, 243, 250)
HSL	hsl(210, 58%, 95%)
HSV	hsv(210, 6%, 98%)
CMYK	cmyk(5.6%, 2.8%, 0%, 2%)
CIE-LAB	lab(95.51, -1.03, -4.17)
CIE-LCH	lch(95.51, 4.29, 256.13°)
OKLab	oklab(96.09% -0.0045 -0.0111)
OKLCH	oklch(96.09% 0.012 248)
XYZ	xyz(83.8946, 88.8356, 103.1511)
Luminance	0.8884 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#ECF3FA #FAF3EC

analogous

#ECFAFA #ECF3FA #ECECFA

triadic

#ECF3FA #FAECF3 #F3FAEC

tetradic

#ECF3FA #FAECFA #FAF3EC #ECFAEC

square

#ECF3FA #FAECFA #FAF3EC #ECFAEC

split-complementary

#ECF3FA #FAECEC #FAFAEC

monochromatic

#8BB6E0 #BCD4ED #E7F0F9 #E7F0F9 #E7F0F9

Accessibility & contrast

On white

1.12

#ECF3FA on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.77

#ECF3FA on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #ECF3FA

18.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##ECF3FA	#FFFFFF	#000000	##000000
##ECF3FA	1.00	1.12	18.77	18.77
#FFFFFF	1.12	1.00	21.00	21.00
#000000	18.77	21.00	1.00	1.00
##000000	18.77	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#F0F3FA

Deuteranopia (green-blind)

#EFF1FA

Tritanopia (blue-blind)

#E9F5F5

Achromatopsia (no color)

#F2F2F2

Design tokens & code

CSS

--color: #ecf3fa;
/* rgb */ color: rgb(236, 243, 250);
/* oklch */ color: oklch(96.1% 0.012 248.0);

Tailwind

colors: {
  custom: {
    50: '#f2f7fc',
    500: '#ecf3fa',
    950: '#000000',
  },
}

SCSS

$custom: #ecf3fa;
$custom-light: #f2f7fc;
$custom-dark: #000000;

JSON

{
  "hex": "#ecf3fa",
  "rgb": {
    "r": 236,
    "g": 243,
    "b": 250
  },
  "hsl": {
    "h": 210,
    "s": 58.333,
    "l": 95.294
  },
  "oklch": {
    "l": 0.96089,
    "c": 0.01202,
    "h": 248
  },
  "luminance": 0.88836
}

Semantic roles & 50–950 ramp

primary

#ECF3FA

secondary

#DDC5AD

accent

#7320C6

background

#FFFFFF

surface

#FEFEFF

border

#D6D6D7

text

#161717

muted

#858585

Preview Lab

Preview with #ECF3FA

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

Preview Lab → · Contrast checker → · Palette generator →