#B4BEFB
Closest named color: Pastel Blue (#A2BFFE). oklch(81.5% 0.087 277.1), rgb(180, 190, 251).
Aa
Black text reads best on this color (11.69:1).
About this color
#B4BEFB is a light, moderately saturated blue. In OKLCH its lightness is 82%, its chroma 0.087 and its hue 277°. Its hue sits on the cool side of the wheel. The nearest named color is Pastel Blue (#A2BFFE), ΔE 0.023 away. Black text reads best on it, at 11.69:1.
| Hue family | Blues |
| Lightness | light (82%) |
| Chroma | moderately saturated (0.087) |
| Temperature | cool |
| Nearest name | Pastel Blue (#A2BFFE) |
| Black text | 11.69:1 |
| White text | 1.79:1 |
Values
| HEX | #B4BEFB |
| RGB | rgb(180, 190, 251) |
| HSL | hsl(232, 90%, 85%) |
| OKLCH | oklch(81.5% 0.087 277.1) |
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 #B4BEFB | 1.79:1 | Fails | Lc -37.3 | Non-text elements, placeholder text |
| Black text on #B4BEFB | 11.69:1 | AAA | Lc 70.6 | Content text, not long reading |
| #B4BEFB text on white | 1.79:1 | Fails | Lc 33.2 | Non-text elements, placeholder text |
| #B4BEFB text on black | 11.69:1 | AAA | Lc -69.4 | 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
#F3F5FD
oklch(97.1% 0.011 274.9)
-
Step 100
100
#E5E9FB
oklch(93.6% 0.025 275.9)
-
Step 200
200
#D0D7FA
oklch(88.5% 0.049 276.4)
-
Step 300
300 (this color)
#B4BEFB
oklch(81.5% 0.087 277.1)
-
Step 400
400
#8B97F6
oklch(70.7% 0.139 276.8)
-
Step 500
500
#717AF2
oklch(63.2% 0.177 276.8)
-
Step 600
600
#5C5FE1
oklch(55.6% 0.193 277.1)
-
Step 700
700
#4C4DC3
oklch(49% 0.18 277.1)
-
Step 800
800
#3E409E
oklch(42.7% 0.149 277.1)
-
Step 900
900
#34387D
oklch(37.7% 0.115 276.9)
-
Step 950
950
#1E2149
oklch(26.9% 0.073 277.1)
#B4BEFB 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) | #ACC4FE | 0.017 |
| Deuteranopia (no green cones) | #A8BFF9 | 0.016 |
| Tritanopia (no blue cones) | #A2C9D3 | 0.077 |
| Achromatopsia (no color) | #C1C1C1 | 0.087 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B4BEFB
#B4BEFB
oklch(81.5% 0.087 277.1)
- #D2C381
#D2C381
oklch(81.4% 0.087 96.9)
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 #B4BEFB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Pastel Blue #A2BFFE ΔE 0.023
- Light Periwinkle #C1C6FC ΔE 0.028
- Baby Blue #A2CFFE ΔE 0.046
- Light Steel Blue #B0C4DE ΔE 0.050
- Pale Violet #CEAEFA ΔE 0.051
- Light Violet #D6B4FC ΔE 0.052
- Light Blue Grey #B7C9E2 ΔE 0.053
- Cloudy Blue #ACC2D9 ΔE 0.055
Use #B4BEFB 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.