#B1CEFF
Closest named color: Baby Blue (#A2CFFE). oklch(84.7% 0.076 260.8), rgb(177, 206, 255).
Aa
Black text reads best on this color (13.14:1).
About this color
#B1CEFF is a light, moderately saturated blue. In OKLCH its lightness is 85%, its chroma 0.076 and its hue 261°. 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 13.14:1.
| Hue family | Blues |
| Lightness | light (85%) |
| Chroma | moderately saturated (0.076) |
| Temperature | cool |
| Nearest name | Baby Blue (#A2CFFE) |
| Black text | 13.14:1 |
| White text | 1.59:1 |
Values
| HEX | #B1CEFF |
| RGB | rgb(177, 206, 255) |
| HSL | hsl(218, 100%, 85%) |
| OKLCH | oklch(84.7% 0.076 260.8) |
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 #B1CEFF | 1.59:1 | Fails | Lc -30.5 | Non-text elements, placeholder text |
| Black text on #B1CEFF | 13.14:1 | AAA | Lc 76.8 | Fine for body text |
| #B1CEFF text on white | 1.59:1 | Fails | Lc 27.0 | Dividers and decoration only |
| #B1CEFF text on black | 13.14:1 | AAA | Lc -76.0 | 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
#E2EAF9
oklch(93.5% 0.022 263.2)
-
Step 200
200
#CADAF6
oklch(88.5% 0.042 261.7)
-
Step 300
300 (this color)
#B1CEFF
oklch(84.7% 0.076 260.8)
-
Step 400
400
#75A0EC
oklch(70.6% 0.122 261.3)
-
Step 500
500
#5187E6
oklch(63.2% 0.155 260.9)
-
Step 600
600
#356ED4
oklch(55.6% 0.168 261)
-
Step 700
700
#275BB8
oklch(49% 0.158 261)
-
Step 800
800
#224B95
oklch(42.7% 0.13 261.1)
-
Step 900
900
#204076
oklch(37.8% 0.1 260.2)
-
Step 950
950
#132645
oklch(27.1% 0.063 259.7)
#B1CEFF 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) | #BDD1FF | 0.018 |
| Deuteranopia (no green cones) | #B5C9FE | 0.013 |
| Tritanopia (no blue cones) | #9BD8DE | 0.067 |
| Achromatopsia (no color) | #CCCCCC | 0.076 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B1CEFF
#B1CEFF
oklch(84.7% 0.076 260.8)
- #E6C894
#E6C894
oklch(84.6% 0.076 81.1)
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 #B1CEFF, 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 0.027
- Light Blue Grey #B7C9E2 ΔE 0.039
- Pastel Blue #A2BFFE ΔE 0.046
- Light Steel Blue #B0C4DE ΔE 0.047
- Light Sky Blue #87CEFA ΔE 0.048
- Light Blue #ADD8E6 ΔE 0.051
- Sky #82CAFC ΔE 0.055
Use #B1CEFF 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.