#B1BCFE
Closest named color: Pastel Blue (#A2BFFE). oklch(81% 0.094 276.8), rgb(177, 188, 254).
Aa
Black text reads best on this color (11.49:1).
About this color
#B1BCFE is a light, moderately saturated blue. In OKLCH its lightness is 81%, its chroma 0.094 and its hue 277°. Its hue sits on the cool side of the wheel. The nearest named color is Pastel Blue (#A2BFFE), ΔE 0.020 away. Black text reads best on it, at 11.49:1.
| Hue family | Blues |
| Lightness | light (81%) |
| Chroma | moderately saturated (0.094) |
| Temperature | cool |
| Nearest name | Pastel Blue (#A2BFFE) |
| Black text | 11.49:1 |
| White text | 1.82:1 |
Values
| HEX | #B1BCFE |
| RGB | rgb(177, 188, 254) |
| HSL | hsl(231, 97%, 85%) |
| OKLCH | oklch(81% 0.094 276.8) |
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 #B1BCFE | 1.82:1 | Fails | Lc -38.3 | Non-text elements, placeholder text |
| Black text on #B1BCFE | 11.49:1 | AAA | Lc 69.7 | Content text, not long reading |
| #B1BCFE text on white | 1.82:1 | Fails | Lc 34.1 | Non-text elements, placeholder text |
| #B1BCFE text on black | 11.49:1 | AAA | Lc -68.4 | 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
#F3F5FE
oklch(97.1% 0.012 276.1)
-
Step 100
100
#E5E9FD
oklch(93.7% 0.027 276.8)
-
Step 200
200
#D0D7FC
oklch(88.6% 0.052 276.9)
-
Step 300
300 (this color)
#B1BCFE
oklch(81% 0.094 276.8)
-
Step 400
400
#8996FD
oklch(70.8% 0.15 276.4)
-
Step 500
500
#6F77FB
oklch(63.1% 0.193 276.7)
-
Step 600
600
#5A5CEA
oklch(55.7% 0.209 276.6)
-
Step 700
700
#4B4ACB
oklch(49.1% 0.194 276.9)
-
Step 800
800
#3D3EA4
oklch(42.7% 0.16 276.8)
-
Step 900
900
#333682
oklch(37.6% 0.125 276.8)
-
Step 950
950
#1E204C
oklch(26.9% 0.08 277.6)
#B1BCFE 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) | #A8C3FF | 0.020 |
| Deuteranopia (no green cones) | #A3BDFC | 0.018 |
| Tritanopia (no blue cones) | #9DC8D3 | 0.083 |
| Achromatopsia (no color) | #C0C0C0 | 0.094 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B1BCFE
#B1BCFE
oklch(81% 0.094 276.8)
- #D2C279
#D2C279
oklch(81.1% 0.095 97.3)
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 #B1BCFE, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Pastel Blue #A2BFFE ΔE 0.020
- Light Periwinkle #C1C6FC ΔE 0.036
- Pale Violet #CEAEFA ΔE 0.050
- Carolina Blue #8AB8FE ΔE 0.050
- Baby Blue #A2CFFE ΔE 0.051
- Light Violet #D6B4FC ΔE 0.053
- Light Steel Blue #B0C4DE ΔE 0.057
- Cloudy Blue #ACC2D9 ΔE 0.061
Use #B1BCFE 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.