#B0C3FF
Closest named color: Pastel Blue (#A2BFFE). oklch(82.4% 0.087 270.8), rgb(176, 195, 255).
Aa
Black text reads best on this color (12.09:1).
About this color
#B0C3FF is a light, moderately saturated blue. In OKLCH its lightness is 82%, its chroma 0.087 and its hue 271°. Its hue sits on the cool side of the wheel. The nearest named color is Pastel Blue (#A2BFFE), ΔE 0.021 away. Black text reads best on it, at 12.09:1.
| Hue family | Blues |
| Lightness | light (82%) |
| Chroma | moderately saturated (0.087) |
| Temperature | cool |
| Nearest name | Pastel Blue (#A2BFFE) |
| Black text | 12.09:1 |
| White text | 1.73:1 |
Values
| HEX | #B0C3FF |
| RGB | rgb(176, 195, 255) |
| HSL | hsl(226, 100%, 85%) |
| OKLCH | oklch(82.4% 0.087 270.8) |
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 #B0C3FF | 1.73:1 | Fails | Lc -35.4 | Non-text elements, placeholder text |
| Black text on #B0C3FF | 12.09:1 | AAA | Lc 72.4 | Content text, not long reading |
| #B0C3FF text on white | 1.73:1 | Fails | Lc 31.5 | Non-text elements, placeholder text |
| #B0C3FF text on black | 12.09:1 | AAA | Lc -71.3 | 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
#F2F5FE
oklch(97% 0.012 271.3)
-
Step 100
100
#E3E9FB
oklch(93.5% 0.025 271.1)
-
Step 200
200
#CDD8FA
oklch(88.5% 0.048 271.2)
-
Step 300
300 (this color)
#B0C3FF
oklch(82.4% 0.087 270.8)
-
Step 400
400
#809AF7
oklch(70.6% 0.139 270.7)
-
Step 500
500
#637EF4
oklch(63.2% 0.178 270.8)
-
Step 600
600
#4C64E3
oklch(55.7% 0.194 270.7)
-
Step 700
700
#3E51C5
oklch(49% 0.181 271)
-
Step 800
800
#33449F
oklch(42.8% 0.148 270.8)
-
Step 900
900
#2C3A7E
oklch(37.7% 0.116 271.1)
-
Step 950
950
#19234A
oklch(27.1% 0.073 270.1)
#B0C3FF 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) | #B0C8FF | 0.013 |
| Deuteranopia (no green cones) | #AAC1FE | 0.010 |
| Tritanopia (no blue cones) | #9ACFD8 | 0.078 |
| Achromatopsia (no color) | #C4C4C4 | 0.087 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B0C3FF
#B0C3FF
oklch(82.4% 0.087 270.8)
- #DBC483
#DBC483
oklch(82.5% 0.087 90.8)
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 #B0C3FF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Pastel Blue #A2BFFE ΔE 0.021
- Light Periwinkle #C1C6FC ΔE 0.025
- Baby Blue #A2CFFE ΔE 0.035
- Light Steel Blue #B0C4DE ΔE 0.049
- Light Blue Grey #B7C9E2 ΔE 0.050
- Sky #82CAFC ΔE 0.054
- Light Sky Blue #87CEFA ΔE 0.054
- Cloudy Blue #ACC2D9 ΔE 0.055
Use #B0C3FF 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.