#B1BDEF#B1BDEF
#B1BDEF is a light, moderate blue. Relative luminance 0.520; OKLCH L 80.6% C 0.072 H 274.2°. Best body text is #000000 at 11.39:1 contrast (WCAG AA passes).
Color values
| HEX | #B1BDEF |
|---|---|
| RGB | rgb(177, 189, 239) |
| HSL | hsl(228, 66%, 82%) |
| HSV | hsv(228, 26%, 94%) |
| CMYK | cmyk(25.9%, 20.9%, 0%, 6.3%) |
| CIE-LAB | lab(77.26, 6.69, -26.16) |
| CIE-LCH | lch(77.26, 27.00, 284.34°) |
| OKLab | oklab(80.64% 0.0052 -0.0719) |
| OKLCH | oklch(80.64% 0.072 274.2) |
| XYZ | xyz(51.9049, 51.9729, 88.9417) |
| Luminance | 0.5197 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Light Periwinkle
#C1C6FC
ΔE00 3.34
Pastel Blue
#A2BFFE
ΔE00 5.50
Periwinkle
#CCCCFF
ΔE00 5.63
Lightsteelblue
#B0C4DE
ΔE00 7.23
Powder Blue (survey)
#B1D1FC
ΔE00 7.35
Light Blue Grey
#B7C9E2
ΔE00 7.57
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#B1BDEF #EFE3B1
analogous
#B1DCEF #B1BDEF #C4B1EF
triadic
#B1BDEF #EFB1BD #BDEFB1
tetradic
#B1BDEF #EFB1DC #EFE3B1 #B1EFC4
square
#B1BDEF #EFB1DC #EFE3B1 #B1EFC4
split-complementary
#B1BDEF #EFC4B1 #DCEFB1
monochromatic
#4B67DA #7E92E5 #B1BDEF #E4E8F9 #E6EAFA
Accessibility & contrast
On white
1.84
#B1BDEF on #FFFFFF
AA ✗AA large ✗AAA ✗
On black
11.39
#B1BDEF on #000000
AA ✓AA large ✓AAA ✓
Best text color
#000000 on #B1BDEF
11.39:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##B1BDEF | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##B1BDEF | 1.00 | 1.84 | 11.39 | 11.39 |
| #FFFFFF | 1.84 | 1.00 | 21.00 | 21.00 |
| #000000 | 11.39 | 21.00 | 1.00 | 1.00 |
| ##000000 | 11.39 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#AEC1F1
Deuteranopia (green-blind)
#AABDEE
Tritanopia (blue-blind)
#A1C6CE
Achromatopsia (no color)
#BFBFBF
Design tokens & code
CSS
--color: #b1bdef; /* rgb */ color: rgb(177, 189, 239); /* oklch */ color: oklch(80.6% 0.072 274.2);
Tailwind
colors: {
custom: {
50: '#c9d0f4',
500: '#b1bdef',
950: '#000000',
},
}SCSS
$custom: #b1bdef; $custom-light: #c9d0f4; $custom-dark: #000000;
JSON
{
"hex": "#b1bdef",
"rgb": {
"r": 177,
"g": 189,
"b": 239
},
"hsl": {
"h": 228.387,
"s": 65.957,
"l": 81.569
},
"oklch": {
"l": 0.80638,
"c": 0.07207,
"h": 274.2
},
"luminance": 0.51974
}Semantic roles & 50–950 ramp
primary
#B1BDEF
secondary
#CDBC77
accent
#AB18CE
background
#FDFEFF
surface
#F9FBFE
border
#D2D4D6
text
#131417
muted
#828385