#B5BDF0
Closest named color: Pastel Blue (#A2BFFE). oklch(81% 0.073 277.7), rgb(181, 189, 240).
Aa
Black text reads best on this color (11.50:1).
About this color
#B5BDF0 is a light, moderately saturated blue. In OKLCH its lightness is 81%, its chroma 0.073 and its hue 278°. Its hue sits on the cool side of the wheel. The nearest named color is Pastel Blue (#A2BFFE), ΔE 0.029 away. Black text reads best on it, at 11.50:1.
| Hue family | Blues |
| Lightness | light (81%) |
| Chroma | moderately saturated (0.073) |
| Temperature | cool |
| Nearest name | Pastel Blue (#A2BFFE) |
| Black text | 11.50:1 |
| White text | 1.82:1 |
Values
| HEX | #B5BDF0 |
| RGB | rgb(181, 189, 240) |
| HSL | hsl(232, 66%, 83%) |
| OKLCH | oklch(81% 0.073 277.7) |
Contrast
WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #B5BDF0 | 1.82:1 | Fails | Lc -38.2 | Non-text elements, placeholder text |
| Black text on #B5BDF0 | 11.50:1 | AAA | Lc 69.7 | Content text, not long reading |
| #B5BDF0 text on white | 1.82:1 | Fails | Lc 34.1 | Non-text elements, placeholder text |
| #B5BDF0 text on black | 11.50:1 | AAA | Lc -68.5 | Content text, not long reading |
Tints and shades
A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 300.
-
Step 50
50
#F4F5FC
oklch(97.1% 0.009 279.7)
-
Step 100
100
#E6E9F8
oklch(93.6% 0.02 276.9)
-
Step 200
200
#D2D7F4
oklch(88.4% 0.04 277.8)
-
Step 300
300 (this color)
#B5BDF0
oklch(81% 0.073 277.7)
-
Step 400
400
#8F99E8
oklch(70.7% 0.116 277.5)
-
Step 500
500
#757EE1
oklch(63.1% 0.148 277.4)
-
Step 600
600
#5F65CF
oklch(55.6% 0.161 277.4)
-
Step 700
700
#4F53B3
oklch(49.1% 0.149 277.6)
-
Step 800
800
#414491
oklch(42.7% 0.124 278)
-
Step 900
900
#363A74
oklch(37.6% 0.098 277.6)
-
Step 950
950
#202344
oklch(27.2% 0.061 277.6)
#B5BDF0 with color blindness
Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #AFC2F2 | 0.014 |
| Deuteranopia (no green cones) | #ABBEEF | 0.013 |
| Tritanopia (no blue cones) | #A7C6CE | 0.065 |
| Achromatopsia (no color) | #C0C0C0 | 0.073 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B5BDF0
#B5BDF0
oklch(81% 0.073 277.7)
- #CDC28C
#CDC28C
oklch(81% 0.072 98)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #B5BDF0, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Pastel Blue #A2BFFE ΔE 0.029
- Light Periwinkle #C1C6FC ΔE 0.032
- Light Steel Blue #B0C4DE ΔE 0.037
- Cloudy Blue #ACC2D9 ΔE 0.042
- Light Blue Grey #B7C9E2 ΔE 0.043
- Baby Blue #A2CFFE ΔE 0.048
- Light Grey Blue #9DBCD4 ΔE 0.053
- Light Cornflower Blue #98C1D9 ΔE 0.054
Use #B5BDF0 in your product
Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.