#B1BEFD
Closest named color: Pastel Blue (#A2BFFE). oklch(81.4% 0.09 275.2), rgb(177, 190, 253).
Aa
Black text reads best on this color (11.65:1).
About this color
#B1BEFD is a light, moderately saturated blue. In OKLCH its lightness is 81%, its chroma 0.090 and its hue 275°. Its hue sits on the cool side of the wheel. The nearest named color is Pastel Blue (#A2BFFE), ΔE 0.019 away. Black text reads best on it, at 11.65:1.
| Hue family | Blues |
| Lightness | light (81%) |
| Chroma | moderately saturated (0.090) |
| Temperature | cool |
| Nearest name | Pastel Blue (#A2BFFE) |
| Black text | 11.65:1 |
| White text | 1.80:1 |
Values
| HEX | #B1BEFD |
| RGB | rgb(177, 190, 253) |
| HSL | hsl(230, 95%, 84%) |
| OKLCH | oklch(81.4% 0.09 275.2) |
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 #B1BEFD | 1.80:1 | Fails | Lc -37.5 | Non-text elements, placeholder text |
| Black text on #B1BEFD | 11.65:1 | AAA | Lc 70.4 | Content text, not long reading |
| #B1BEFD text on white | 1.80:1 | Fails | Lc 33.4 | Non-text elements, placeholder text |
| #B1BEFD text on black | 11.65:1 | AAA | Lc -69.2 | 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
#F3F5FE
oklch(97.1% 0.012 276.1)
-
Step 100
100
#E4E9FC
oklch(93.6% 0.026 274.1)
-
Step 200
200
#CFD7FB
oklch(88.5% 0.05 275.4)
-
Step 300
300 (this color)
#B1BEFD
oklch(81.4% 0.09 275.2)
-
Step 400
400
#8797FA
oklch(70.7% 0.145 275.1)
-
Step 500
500
#6C7AF7
oklch(63.2% 0.185 275)
-
Step 600
600
#575FE5
oklch(55.6% 0.2 275.2)
-
Step 700
700
#484DC7
oklch(49.1% 0.186 275.4)
-
Step 800
800
#3A40A1
oklch(42.6% 0.154 275)
-
Step 900
900
#313880
oklch(37.7% 0.12 274.9)
-
Step 950
950
#1D214B
oklch(27% 0.077 275.9)
#B1BEFD 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) | #ABC4FF | 0.016 |
| Deuteranopia (no green cones) | #A6BEFB | 0.015 |
| Tritanopia (no blue cones) | #9DCAD4 | 0.080 |
| Achromatopsia (no color) | #C1C1C1 | 0.090 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B1BEFD
#B1BEFD
oklch(81.4% 0.09 275.2)
- #D4C27E
#D4C27E
oklch(81.4% 0.09 95.1)
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 #B1BEFD, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Pastel Blue #A2BFFE ΔE 0.019
- Light Periwinkle #C1C6FC ΔE 0.032
- Baby Blue #A2CFFE ΔE 0.046
- Carolina Blue #8AB8FE ΔE 0.052
- Light Steel Blue #B0C4DE ΔE 0.052
- Pale Violet #CEAEFA ΔE 0.053
- Light Violet #D6B4FC ΔE 0.054
- Light Blue Grey #B7C9E2 ΔE 0.056
Use #B1BEFD 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.