#EFF3FA#EFF3FA

#EFF3FA is a very light, near-neutral blue. Relative luminance 0.894; OKLCH L 96.3% C 0.010 H 261.8°. Best body text is #000000 at 18.87:1 contrast (WCAG AA passes).

Color values

HEX	#EFF3FA
RGB	rgb(239, 243, 250)
HSL	hsl(218, 52%, 96%)
HSV	hsv(218, 4%, 98%)
CMYK	cmyk(4.4%, 2.8%, 0%, 2%)
CIE-LAB	lab(95.73, -0.05, -3.82)
CIE-LCH	lch(95.73, 3.82, 269.19°)
OKLab	oklab(96.31% -0.0015 -0.0102)
OKLCH	oklch(96.31% 0.01 261.8)
XYZ	xyz(84.8993, 89.3537, 103.1982)
Luminance	0.8935 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFF3FA #FAF6EF

analogous

#EFF8FA #EFF3FA #F0EFFA

triadic

#EFF3FA #FAEFF3 #F3FAEF

tetradic

#EFF3FA #FAEFF8 #FAF6EF #EFFAF0

square

#EFF3FA #FAEFF8 #FAF6EF #EFFAF0

split-complementary

#EFF3FA #FAF0EF #F8FAEF

monochromatic

#92ADDD #C0D0EB #E8EEF8 #E8EEF8 #E8EEF8

Accessibility & contrast

On white

1.11

#EFF3FA on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.87

#EFF3FA on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFF3FA

18.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFF3FA	#FFFFFF	#000000	##000000
##EFF3FA	1.00	1.11	18.87	18.87
#FFFFFF	1.11	1.00	21.00	21.00
#000000	18.87	21.00	1.00	1.00
##000000	18.87	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#F1F3FA

Deuteranopia (green-blind)

#F0F2FA

Tritanopia (blue-blind)

#EDF4F5

Achromatopsia (no color)

#F3F3F3

Design tokens & code

CSS

--color: #eff3fa;
/* rgb */ color: rgb(239, 243, 250);
/* oklch */ color: oklch(96.3% 0.010 261.8);

Tailwind

colors: {
  custom: {
    50: '#f4f7fc',
    500: '#eff3fa',
    950: '#000000',
  },
}

SCSS

$custom: #eff3fa;
$custom-light: #f4f7fc;
$custom-dark: #000000;

JSON

{
  "hex": "#eff3fa",
  "rgb": {
    "r": 239,
    "g": 243,
    "b": 250
  },
  "hsl": {
    "h": 218.182,
    "s": 52.381,
    "l": 95.882
  },
  "oklch": {
    "l": 0.96313,
    "c": 0.01031,
    "h": 261.8
  },
  "luminance": 0.89354
}

Semantic roles & 50–950 ramp

primary

#EFF3FA

secondary

#DBCCB2

accent

#8826C0

background

#FFFFFF

surface

#FEFEFF

border

#D6D6D7

text

#171717

muted

#858585

Preview Lab

Preview with #EFF3FA

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

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