#B4CEFB
Closest named color: Baby Blue (#A2CFFE). oklch(84.7% 0.069 261.3), rgb(180, 206, 251).
Aa
Black text reads best on this color (13.16:1).
About this color
#B4CEFB is a light, muted blue. In OKLCH its lightness is 85%, its chroma 0.069 and its hue 261°. Its hue sits on the cool side of the wheel. The nearest named color is Baby Blue (#A2CFFE), ΔE 0.021 away. Black text reads best on it, at 13.16:1.
| Hue family | Blues |
| Lightness | light (85%) |
| Chroma | muted (0.069) |
| Temperature | cool |
| Nearest name | Baby Blue (#A2CFFE) |
| Black text | 13.16:1 |
| White text | 1.59:1 |
Values
| HEX | #B4CEFB |
| RGB | rgb(180, 206, 251) |
| HSL | hsl(218, 90%, 85%) |
| OKLCH | oklch(84.7% 0.069 261.3) |
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 #B4CEFB | 1.59:1 | Fails | Lc -30.4 | Non-text elements, placeholder text |
| Black text on #B4CEFB | 13.16:1 | AAA | Lc 76.9 | Fine for body text |
| #B4CEFB text on white | 1.59:1 | Fails | Lc 26.9 | Dividers and decoration only |
| #B4CEFB text on black | 13.16:1 | AAA | Lc -76.1 | 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
#E0EAFC
oklch(93.5% 0.027 262.3)
-
Step 200
200 (this color)
#B4CEFB
oklch(84.7% 0.069 261.3)
-
Step 300
300
#A1C1FB
oklch(80.8% 0.09 262.1)
-
Step 400
400
#6D9FF9
oklch(70.7% 0.143 261.4)
-
Step 500
500
#4684F6
oklch(63.1% 0.183 261.3)
-
Step 600
600
#286AE4
oklch(55.5% 0.197 261.4)
-
Step 700
700
#1B58C7
oklch(49.2% 0.184 261.3)
-
Step 800
800
#1948A0
oklch(42.6% 0.152 261.5)
-
Step 900
900
#1A3E7F
oklch(37.7% 0.118 261.1)
-
Step 950
950
#10254B
oklch(27.1% 0.076 261.2)
#B4CEFB 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) | #BFD0FD | 0.016 |
| Deuteranopia (no green cones) | #B8CAFA | 0.011 |
| Tritanopia (no blue cones) | #A0D7DD | 0.061 |
| Achromatopsia (no color) | #CDCDCD | 0.069 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B4CEFB
#B4CEFB
oklch(84.7% 0.069 261.3)
- #E4C99A
#E4C99A
oklch(84.7% 0.069 81.3)
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 #B4CEFB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Baby Blue #A2CFFE ΔE 0.021
- Light Periwinkle #C1C6FC ΔE 0.026
- Light Blue Grey #B7C9E2 ΔE 0.034
- Light Steel Blue #B0C4DE ΔE 0.043
- Light Blue #ADD8E6 ΔE 0.047
- Pastel Blue #A2BFFE ΔE 0.049
- Light Sky Blue #87CEFA ΔE 0.050
- Cloudy Blue #ACC2D9 ΔE 0.052
Use #B4CEFB 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.