#B1CEFA
Closest named color: Baby Blue (#A2CFFE). oklch(84.5% 0.069 258.6), rgb(177, 206, 250).
Aa
Black text reads best on this color (13.07:1).
About this color
#B1CEFA is a light, muted blue. In OKLCH its lightness is 85%, its chroma 0.069 and its hue 259°. Its hue sits on the cool side of the wheel. The nearest named color is Baby Blue (#A2CFFE), ΔE 0.018 away. Black text reads best on it, at 13.07:1.
| Hue family | Blues |
| Lightness | light (85%) |
| Chroma | muted (0.069) |
| Temperature | cool |
| Nearest name | Baby Blue (#A2CFFE) |
| Black text | 13.07:1 |
| White text | 1.60:1 |
Values
| HEX | #B1CEFA |
| RGB | rgb(177, 206, 250) |
| HSL | hsl(216, 88%, 84%) |
| OKLCH | oklch(84.5% 0.069 258.6) |
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 #B1CEFA | 1.60:1 | Fails | Lc -30.8 | Non-text elements, placeholder text |
| Black text on #B1CEFA | 13.07:1 | AAA | Lc 76.5 | Fine for body text |
| #B1CEFA text on white | 1.60:1 | Fails | Lc 27.2 | Dividers and decoration only |
| #B1CEFA text on black | 13.07:1 | AAA | Lc -75.7 | 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 300.
-
Step 50
50
#F2F6FC
oklch(97.2% 0.009 258.3)
-
Step 100
100
#E2EBF8
oklch(93.7% 0.02 257.5)
-
Step 200
200
#CADAF3
oklch(88.4% 0.039 259.3)
-
Step 300
300 (this color)
#B1CEFA
oklch(84.5% 0.069 258.6)
-
Step 400
400
#75A2E5
oklch(70.7% 0.11 258.1)
-
Step 500
500
#5189DE
oklch(63.1% 0.142 258.5)
-
Step 600
600
#3571CC
oklch(55.7% 0.154 258.7)
-
Step 700
700
#275EB0
oklch(49.1% 0.143 258.6)
-
Step 800
800
#224D8F
oklch(42.7% 0.119 258.9)
-
Step 900
900
#214172
oklch(37.8% 0.092 258.7)
-
Step 950
950
#142643
oklch(27% 0.059 259.5)
#B1CEFA 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) | #BFD0FC | 0.019 |
| Deuteranopia (no green cones) | #B7C9F9 | 0.014 |
| Tritanopia (no blue cones) | #9CD7DC | 0.062 |
| Achromatopsia (no color) | #CCCCCC | 0.069 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B1CEFA
#B1CEFA
oklch(84.5% 0.069 258.6)
- #E5C799
#E5C799
oklch(84.4% 0.069 78.2)
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 #B1CEFA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Baby Blue #A2CFFE ΔE 0.018
- Light Periwinkle #C1C6FC ΔE 0.028
- Light Blue Grey #B7C9E2 ΔE 0.033
- Light Steel Blue #B0C4DE ΔE 0.041
- Light Blue #ADD8E6 ΔE 0.045
- Light Sky Blue #87CEFA ΔE 0.047
- Pastel Blue #A2BFFE ΔE 0.048
- Cloudy Blue #ACC2D9 ΔE 0.050
Use #B1CEFA 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.