#B4E5FB#B4E5FB

#B4E5FB is a very light, muted cyan. Relative luminance 0.727; OKLCH L 89.5% C 0.059 H 227.1°. Best body text is #000000 at 15.54:1 contrast (WCAG AA passes).

Color values

HEX	#B4E5FB
RGB	rgb(180, 229, 251)
HSL	hsl(199, 90%, 85%)
HSV	hsv(199, 28%, 98%)
CMYK	cmyk(28.3%, 8.8%, 0%, 1.6%)
CIE-LAB	lab(88.31, -10.78, -15.79)
CIE-LCH	lch(88.31, 19.12, 235.67°)
OKLab	oklab(89.49% -0.04 -0.0431)
OKLCH	oklch(89.49% 0.059 227.1)
XYZ	xyz(64.2490, 72.7041, 101.8961)
Luminance	0.7271 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B4E5FB #FBCAB4

analogous

#B4FBEE #B4E5FB #B4C2FB

triadic

#B4E5FB #FBB4E5 #E5FBB4

tetradic

#B4E5FB #EEB4FB #FBCAB4 #C2FBB4

square

#B4E5FB #EEB4FB #FBCAB4 #C2FBB4

split-complementary

#B4E5FB #FBB4C2 #FBEEB4

monochromatic

#40BDF5 #7AD1F8 #B4E5FB #E2F5FD #E2F5FD

Accessibility & contrast

On white

1.35

#B4E5FB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

15.54

#B4E5FB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B4E5FB

15.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B4E5FB	#FFFFFF	#000000	##000000
##B4E5FB	1.00	1.35	15.54	15.54
#FFFFFF	1.35	1.00	21.00	21.00
#000000	15.54	21.00	1.00	1.00
##000000	15.54	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D9E2FC

Deuteranopia (green-blind)

#CFDAFB

Tritanopia (blue-blind)

#9EECEC

Achromatopsia (no color)

#DEDEDE

Design tokens & code

CSS

--color: #b4e5fb;
/* rgb */ color: rgb(180, 229, 251);
/* oklch */ color: oklch(89.5% 0.059 227.1);

Tailwind

colors: {
  custom: {
    50: '#ccedfc',
    500: '#b4e5fb',
    950: '#000000',
  },
}

SCSS

$custom: #b4e5fb;
$custom-light: #ccedfc;
$custom-dark: #000000;

JSON

{
  "hex": "#b4e5fb",
  "rgb": {
    "r": 180,
    "g": 229,
    "b": 251
  },
  "hsl": {
    "h": 198.592,
    "s": 89.873,
    "l": 84.51
  },
  "oklch": {
    "l": 0.89494,
    "c": 0.05881,
    "h": 227.1
  },
  "luminance": 0.72707
}

Semantic roles & 50–950 ramp

primary

#B4E5FB

secondary

#DF9574

accent

#4700E6

background

#FEFEFF

surface

#FBFDFF

border

#D4D5D7

text

#131617

muted

#838485

Preview Lab

Preview with #B4E5FB

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

Preview Lab → · Contrast checker → · Palette generator →