#B5CFFB
Closest named color: Baby Blue (#A2CFFE). oklch(85% 0.068 260.9), rgb(181, 207, 251).
Aa
Black text reads best on this color (13.28:1).
About this color
#B5CFFB is a light, muted blue. In OKLCH its lightness is 85%, its chroma 0.068 and its hue 261°. Its hue sits on the cool side of the wheel. The nearest named color is Baby Blue (#A2CFFE), ΔE 0.023 away. Black text reads best on it, at 13.28:1.
| Hue family | Blues |
| Lightness | light (85%) |
| Chroma | muted (0.068) |
| Temperature | cool |
| Nearest name | Baby Blue (#A2CFFE) |
| Black text | 13.28:1 |
| White text | 1.58:1 |
Values
| HEX | #B5CFFB |
| RGB | rgb(181, 207, 251) |
| HSL | hsl(218, 90%, 85%) |
| OKLCH | oklch(85% 0.068 260.9) |
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 #B5CFFB | 1.58:1 | Fails | Lc -29.8 | Dividers and decoration only |
| Black text on #B5CFFB | 13.28:1 | AAA | Lc 77.4 | Fine for body text |
| #B5CFFB text on white | 1.58:1 | Fails | Lc 26.4 | Dividers and decoration only |
| #B5CFFB text on black | 13.28:1 | AAA | Lc -76.6 | Fine for body text |
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 200.
-
Step 50
50
#F1F6FE
oklch(97.2% 0.012 259.8)
-
Step 100
100
#E0EAFB
oklch(93.5% 0.025 261.1)
-
Step 200
200 (this color)
#B5CFFB
oklch(85% 0.068 260.9)
-
Step 300
300
#A1C2FA
oklch(81% 0.087 260.8)
-
Step 400
400
#6DA0F7
oklch(70.8% 0.139 260.5)
-
Step 500
500
#4685F3
oklch(63.1% 0.178 260.7)
-
Step 600
600
#286BE2
oklch(55.6% 0.194 260.9)
-
Step 700
700
#1B58C5
oklch(49% 0.181 261.1)
-
Step 800
800
#18499F
oklch(42.7% 0.15 260.8)
-
Step 900
900
#1A3E7E
oklch(37.6% 0.116 260.9)
-
Step 950
950
#10254A
oklch(27% 0.074 260.8)
#B5CFFB 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) | #C0D1FD | 0.016 |
| Deuteranopia (no green cones) | #B9CBFA | 0.011 |
| Tritanopia (no blue cones) | #A2D8DD | 0.061 |
| Achromatopsia (no color) | #CECECE | 0.068 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B5CFFB
#B5CFFB
oklch(85% 0.068 260.9)
- #E5CA9C
#E5CA9C
oklch(85.1% 0.068 80.8)
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 #B5CFFB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Baby Blue #A2CFFE ΔE 0.023
- Light Periwinkle #C1C6FC ΔE 0.027
- Light Blue Grey #B7C9E2 ΔE 0.034
- Light Steel Blue #B0C4DE ΔE 0.045
- Light Blue #ADD8E6 ΔE 0.045
- Light Sky Blue #87CEFA ΔE 0.052
- Pastel Blue #A2BFFE ΔE 0.052
- Cloudy Blue #ACC2D9 ΔE 0.054
Use #B5CFFB 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.