#E3EFFB#E3EFFB

#E3EFFB is a very light, muted cyan. Relative luminance 0.850; OKLCH L 94.7% C 0.021 H 248.0°. Best body text is #000000 at 18.01:1 contrast (WCAG AA passes).

Color values

HEX	#E3EFFB
RGB	rgb(227, 239, 251)
HSL	hsl(210, 75%, 94%)
HSV	hsv(210, 10%, 98%)
CMYK	cmyk(9.6%, 4.8%, 0%, 1.6%)
CIE-LAB	lab(93.90, -1.69, -7.14)
CIE-LCH	lch(93.90, 7.34, 256.67°)
OKLab	oklab(94.67% -0.0077 -0.0192)
OKLCH	oklch(94.67% 0.021 248)
XYZ	xyz(79.9539, 85.0280, 103.4478)
Luminance	0.8503 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#E3EFFB #FBEFE3

analogous

#E3FBFB #E3EFFB #E3E3FB

triadic

#E3EFFB #FBE3EF #EFFBE3

tetradic

#E3EFFB #FBE3FB #FBEFE3 #E3FBE3

square

#E3EFFB #FBE3FB #FBEFE3 #E3FBE3

split-complementary

#E3EFFB #FBE3E3 #FBFBE3

monochromatic

#78B2EC #ADD0F3 #E3EFFB #E4F0FB #E4F0FB

Accessibility & contrast

On white

1.17

#E3EFFB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.01

#E3EFFB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #E3EFFB

18.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##E3EFFB	#FFFFFF	#000000	##000000
##E3EFFB	1.00	1.17	18.01	18.01
#FFFFFF	1.17	1.00	21.00	21.00
#000000	18.01	21.00	1.00	1.00
##000000	18.01	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#EBEFFC

Deuteranopia (green-blind)

#E8ECFB

Tritanopia (blue-blind)

#DDF2F3

Achromatopsia (no color)

#EDEDED

Design tokens & code

CSS

--color: #e3effb;
/* rgb */ color: rgb(227, 239, 251);
/* oklch */ color: oklch(94.7% 0.021 248.0);

Tailwind

colors: {
  custom: {
    50: '#ebf4fc',
    500: '#e3effb',
    950: '#000000',
  },
}

SCSS

$custom: #e3effb;
$custom-light: #ebf4fc;
$custom-dark: #000000;

JSON

{
  "hex": "#e3effb",
  "rgb": {
    "r": 227,
    "g": 239,
    "b": 251
  },
  "hsl": {
    "h": 210,
    "s": 75,
    "l": 93.725
  },
  "oklch": {
    "l": 0.94669,
    "c": 0.02067,
    "h": 248
  },
  "luminance": 0.85029
}

Semantic roles & 50–950 ramp

primary

#E3EFFB

secondary

#E2C1A1

accent

#730ED7

background

#FEFFFF

surface

#FDFEFF

border

#D5D6D7

text

#161717

muted

#848585

Preview Lab

Preview with #E3EFFB

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

Preview Lab → · Contrast checker → · Palette generator →