#B4E9FB#B4E9FB

#B4E9FB is a very light, muted cyan. Relative luminance 0.749; OKLCH L 90.3% C 0.059 H 220.7°. Best body text is #000000 at 15.99:1 contrast (WCAG AA passes).

Color values

HEX	#B4E9FB
RGB	rgb(180, 233, 251)
HSL	hsl(195, 90%, 85%)
HSV	hsv(195, 28%, 98%)
CMYK	cmyk(28.3%, 7.2%, 0%, 1.6%)
CIE-LAB	lab(89.37, -12.82, -14.20)
CIE-LCH	lch(89.37, 19.13, 227.93°)
OKLab	oklab(90.33% -0.0451 -0.0387)
OKLCH	oklch(90.33% 0.059 220.7)
XYZ	xyz(65.3685, 74.9432, 102.2693)
Luminance	0.7495 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B4E9FB #FBC6B4

analogous

#B4FBE9 #B4E9FB #B4C6FB

triadic

#B4E9FB #FBB4E9 #E9FBB4

tetradic

#B4E9FB #E9B4FB #FBC6B4 #C6FBB4

square

#B4E9FB #E9B4FB #FBC6B4 #C6FBB4

split-complementary

#B4E9FB #FBB4C6 #FBE9B4

monochromatic

#40C7F5 #7AD8F8 #B4E9FB #E2F6FD #E2F6FD

Accessibility & contrast

On white

1.31

#B4E9FB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

15.99

#B4E9FB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B4E9FB

15.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B4E9FB	#FFFFFF	#000000	##000000
##B4E9FB	1.00	1.31	15.99	15.99
#FFFFFF	1.31	1.00	21.00	21.00
#000000	15.99	21.00	1.00	1.00
##000000	15.99	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#DEE6FC

Deuteranopia (green-blind)

#D3DDFB

Tritanopia (blue-blind)

#9DEFEE

Achromatopsia (no color)

#E1E1E1

Design tokens & code

CSS

--color: #b4e9fb;
/* rgb */ color: rgb(180, 233, 251);
/* oklch */ color: oklch(90.3% 0.059 220.7);

Tailwind

colors: {
  custom: {
    50: '#ccf0fc',
    500: '#b4e9fb',
    950: '#000000',
  },
}

SCSS

$custom: #b4e9fb;
$custom-light: #ccf0fc;
$custom-dark: #000000;

JSON

{
  "hex": "#b4e9fb",
  "rgb": {
    "r": 180,
    "g": 233,
    "b": 251
  },
  "hsl": {
    "h": 195.211,
    "s": 89.873,
    "l": 84.51
  },
  "oklch": {
    "l": 0.90334,
    "c": 0.05942,
    "h": 220.7
  },
  "luminance": 0.74946
}

Semantic roles & 50–950 ramp

primary

#B4E9FB

secondary

#DF8F74

accent

#3A00E6

background

#FEFFFF

surface

#FBFEFF

border

#D4D6D7

text

#131617

muted

#838585

Preview Lab

Preview with #B4E9FB

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

Preview Lab → · Contrast checker → · Palette generator →