#ECEFFB#ECEFFB

#ECEFFB is a very light, near-neutral blue. Relative luminance 0.865; OKLCH L 95.3% C 0.016 H 274.8°. Best body text is #000000 at 18.31:1 contrast (WCAG AA passes).

Color values

HEX	#ECEFFB
RGB	rgb(236, 239, 251)
HSL	hsl(228, 65%, 95%)
HSV	hsv(228, 6%, 98%)
CMYK	cmyk(6%, 4.8%, 0%, 1.6%)
CIE-LAB	lab(94.54, 1.20, -6.12)
CIE-LCH	lch(94.54, 6.23, 281.10°)
OKLab	oklab(95.33% 0.0014 -0.0163)
OKLCH	oklch(95.33% 0.016 274.8)
XYZ	xyz(82.8678, 86.5305, 103.5844)
Luminance	0.8653 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#ECEFFB #FBF8EC

analogous

#ECF6FB #ECEFFB #F0ECFB

triadic

#ECEFFB #FBECEF #EFFBEC

tetradic

#ECEFFB #FBECF6 #FBF8EC #ECFBF0

square

#ECEFFB #FBECF6 #FBF8EC #ECFBF0

split-complementary

#ECEFFB #FBF0EC #F6FBEC

monochromatic

#879AE6 #B9C4F0 #E6EAFA #E6EAFA #E6EAFA

Accessibility & contrast

On white

1.15

#ECEFFB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.31

#ECEFFB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #ECEFFB

18.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##ECEFFB	#FFFFFF	#000000	##000000
##ECEFFB	1.00	1.15	18.31	18.31
#FFFFFF	1.15	1.00	21.00	21.00
#000000	18.31	21.00	1.00	1.00
##000000	18.31	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#ECF0FC

Deuteranopia (green-blind)

#EBEFFB

Tritanopia (blue-blind)

#E9F1F3

Achromatopsia (no color)

#EFEFEF

Design tokens & code

CSS

--color: #eceffb;
/* rgb */ color: rgb(236, 239, 251);
/* oklch */ color: oklch(95.3% 0.016 274.8);

Tailwind

colors: {
  custom: {
    50: '#f2f4fc',
    500: '#eceffb',
    950: '#000000',
  },
}

SCSS

$custom: #eceffb;
$custom-light: #f2f4fc;
$custom-dark: #000000;

JSON

{
  "hex": "#eceffb",
  "rgb": {
    "r": 236,
    "g": 239,
    "b": 251
  },
  "hsl": {
    "h": 228,
    "s": 65.217,
    "l": 95.49
  },
  "oklch": {
    "l": 0.95334,
    "c": 0.01641,
    "h": 274.8
  },
  "luminance": 0.86531
}

Semantic roles & 50–950 ramp

primary

#ECEFFB

secondary

#E0D5AB

accent

#A918CD

background

#FFFFFF

surface

#FEFEFF

border

#D6D6D7

text

#161717

muted

#858585

Preview Lab

Preview with #ECEFFB

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

Preview Lab → · Contrast checker → · Palette generator →