#B1BBEF#B1BBEF
#B1BBEF is a light, moderate blue. Relative luminance 0.511; OKLCH L 80.2% C 0.075 H 276.1°. Best body text is #000000 at 11.22:1 contrast (WCAG AA passes).
Color values
| HEX | #B1BBEF |
|---|---|
| RGB | rgb(177, 187, 239) |
| HSL | hsl(230, 66%, 82%) |
| HSV | hsv(230, 26%, 94%) |
| CMYK | cmyk(25.9%, 21.8%, 0%, 6.3%) |
| CIE-LAB | lab(76.75, 7.78, -26.94) |
| CIE-LCH | lch(76.75, 28.04, 286.10°) |
| OKLab | oklab(80.24% 0.0079 -0.0741) |
| OKLCH | oklch(80.24% 0.075 276.1) |
| XYZ | xyz(51.4777, 51.1184, 88.7993) |
| Luminance | 0.5112 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Light Periwinkle
#C1C6FC
ΔE00 3.37
Periwinkle
#CCCCFF
ΔE00 5.64
Pastel Blue
#A2BFFE
ΔE00 5.90
Lightsteelblue
#B0C4DE
ΔE00 7.75
Powder Blue (survey)
#B1D1FC
ΔE00 7.99
Light Blue Grey
#B7C9E2
ΔE00 8.12
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#B1BBEF #EFE5B1
analogous
#B1DAEF #B1BBEF #C6B1EF
triadic
#B1BBEF #EFB1BB #BBEFB1
tetradic
#B1BBEF #EFB1DA #EFE5B1 #B1EFC6
square
#B1BBEF #EFB1DA #EFE5B1 #B1EFC6
split-complementary
#B1BBEF #EFC6B1 #DAEFB1
monochromatic
#4B62DA #7E8FE5 #B1BBEF #E4E7F9 #E6E9FA
Accessibility & contrast
On white
1.87
#B1BBEF on #FFFFFF
AA ✗AA large ✗AAA ✗
On black
11.22
#B1BBEF on #000000
AA ✓AA large ✓AAA ✓
Best text color
#000000 on #B1BBEF
11.22:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##B1BBEF | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##B1BBEF | 1.00 | 1.87 | 11.22 | 11.22 |
| #FFFFFF | 1.87 | 1.00 | 21.00 | 21.00 |
| #000000 | 11.22 | 21.00 | 1.00 | 1.00 |
| ##000000 | 11.22 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#ACC0F1
Deuteranopia (green-blind)
#A8BBEE
Tritanopia (blue-blind)
#A2C5CD
Achromatopsia (no color)
#BDBDBD
Design tokens & code
CSS
--color: #b1bbef; /* rgb */ color: rgb(177, 187, 239); /* oklch */ color: oklch(80.2% 0.075 276.1);
Tailwind
colors: {
custom: {
50: '#c9cff4',
500: '#b1bbef',
950: '#000000',
},
}SCSS
$custom: #b1bbef; $custom-light: #c9cff4; $custom-dark: #000000;
JSON
{
"hex": "#b1bbef",
"rgb": {
"r": 177,
"g": 187,
"b": 239
},
"hsl": {
"h": 230.323,
"s": 65.957,
"l": 81.569
},
"oklch": {
"l": 0.80237,
"c": 0.07451,
"h": 276.1
},
"luminance": 0.5112
}Semantic roles & 50–950 ramp
primary
#B1BBEF
secondary
#CDBF77
accent
#B018CE
background
#FDFEFF
surface
#F9FBFE
border
#D2D4D6
text
#131317
muted
#828385