#B1B7EA
Closest named color: Pastel Blue (#A2BFFE). oklch(79.2% 0.073 279.4), rgb(177, 183, 234).
Aa
Black text reads best on this color (10.83:1).
About this color
#B1B7EA is a light, moderately saturated blue. In OKLCH its lightness is 79%, its chroma 0.073 and its hue 279°. Its hue sits on the cool side of the wheel. The nearest named color is Pastel Blue (#A2BFFE), ΔE 0.033 away. Black text reads best on it, at 10.83:1.
| Hue family | Blues |
| Lightness | light (79%) |
| Chroma | moderately saturated (0.073) |
| Temperature | cool |
| Nearest name | Pastel Blue (#A2BFFE) |
| Black text | 10.83:1 |
| White text | 1.93:1 |
Values
| HEX | #B1B7EA |
| RGB | rgb(177, 183, 234) |
| HSL | hsl(234, 58%, 81%) |
| OKLCH | oklch(79.2% 0.073 279.4) |
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 #B1B7EA | 1.93:1 | Fails | Lc -41.5 | Non-text elements, placeholder text |
| Black text on #B1B7EA | 10.83:1 | AAA | Lc 66.7 | Content text, not long reading |
| #B1B7EA text on white | 1.93:1 | Fails | Lc 37.2 | Non-text elements, placeholder text |
| #B1B7EA text on black | 10.83:1 | AAA | Lc -65.3 | 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
#D3D7F4
oklch(88.5% 0.04 279.3)
-
Step 300
300 (this color)
#B1B7EA
oklch(79.2% 0.073 279.4)
-
Step 400
400
#9298E8
oklch(70.7% 0.117 279.7)
-
Step 500
500
#787DE1
oklch(63.2% 0.148 279.1)
-
Step 600
600
#6364CF
oklch(55.7% 0.161 279.4)
-
Step 700
700
#5252B3
oklch(49.1% 0.15 279.3)
-
Step 800
800
#434491
oklch(42.8% 0.124 279.2)
-
Step 900
900
#383A73
oklch(37.7% 0.096 279.2)
-
Step 950
950
#212244
oklch(27% 0.062 280.1)
#B1B7EA 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) | #A9BCEC | 0.015 |
| Deuteranopia (no green cones) | #A6B8E9 | 0.015 |
| Tritanopia (no blue cones) | #A3C0C8 | 0.065 |
| Achromatopsia (no color) | #BABABA | 0.073 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B1B7EA
#B1B7EA
oklch(79.2% 0.073 279.4)
- #C6BD86
#C6BD86
oklch(79.3% 0.073 100)
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 #B1B7EA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Pastel Blue #A2BFFE ΔE 0.033
- Light Steel Blue #B0C4DE ΔE 0.043
- Cloudy Blue #ACC2D9 ΔE 0.044
- Light Grey Blue #9DBCD4 ΔE 0.047
- Light Periwinkle #C1C6FC ΔE 0.049
- Light Cornflower Blue #98C1D9 ΔE 0.052
- Carolina Blue #8AB8FE ΔE 0.054
- Light Blue Grey #B7C9E2 ΔE 0.054
Use #B1B7EA 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.