#B5CEE9
Closest named color: Light Blue Grey (#B7C9E2). oklch(84.2% 0.047 250.4), rgb(181, 206, 233).
Aa
Black text reads best on this color (12.96:1).
About this color
#B5CEE9 is a light, muted blue. In OKLCH its lightness is 84%, its chroma 0.047 and its hue 250°. Its hue sits on the cool side of the wheel. The nearest named color is Light Blue Grey (#B7C9E2), ΔE 0.014 away. Black text reads best on it, at 12.96:1.
| Hue family | Blues |
| Lightness | light (84%) |
| Chroma | muted (0.047) |
| Temperature | cool |
| Nearest name | Light Blue Grey (#B7C9E2) |
| Black text | 12.96:1 |
| White text | 1.61:1 |
Values
| HEX | #B5CEE9 |
| RGB | rgb(181, 206, 233) |
| HSL | hsl(211, 54%, 81%) |
| OKLCH | oklch(84.2% 0.047 250.4) |
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 #B5CEE9 | 1.61:1 | Fails | Lc -31.3 | Non-text elements, placeholder text |
| Black text on #B5CEE9 | 12.96:1 | AAA | Lc 76.1 | Fine for body text |
| #B5CEE9 text on white | 1.61:1 | Fails | Lc 27.7 | Dividers and decoration only |
| #B5CEE9 text on black | 12.96:1 | AAA | Lc -75.2 | 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
#F2F6FA
oklch(97.1% 0.007 247.9)
-
Step 100
100
#E3EBF3
oklch(93.6% 0.014 248)
-
Step 200
200
#CDDBEA
oklch(88.5% 0.026 250)
-
Step 300
300 (this color)
#B5CEE9
oklch(84.2% 0.047 250.4)
-
Step 400
400
#7DA4CE
oklch(70.6% 0.075 250.8)
-
Step 500
500
#5C8DC1
oklch(63% 0.095 250.9)
-
Step 600
600
#4177AE
oklch(55.7% 0.104 250.6)
-
Step 700
700
#326495
oklch(49.2% 0.096 250)
-
Step 800
800
#2A5179
oklch(42.6% 0.08 250.8)
-
Step 900
900
#274461
oklch(37.8% 0.061 249.7)
-
Step 950
950
#172839
oklch(27.1% 0.039 249.5)
#B5CEE9 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) | #C4CEEA | 0.019 |
| Deuteranopia (no green cones) | #BEC9E8 | 0.016 |
| Tritanopia (no blue cones) | #A7D4D7 | 0.039 |
| Achromatopsia (no color) | #CBCBCB | 0.047 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B5CEE9
#B5CEE9
oklch(84.2% 0.047 250.4)
- #DFC6AB
#DFC6AB
oklch(84.1% 0.046 69.3)
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 #B5CEE9, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Blue Grey #B7C9E2 ΔE 0.014
- Light Steel Blue #B0C4DE ΔE 0.028
- Light Blue #ADD8E6 ΔE 0.029
- Baby Blue #A2CFFE ΔE 0.035
- Cloudy Blue #ACC2D9 ΔE 0.037
- Light Periwinkle #C1C6FC ΔE 0.042
- Cadet Gray #CED4DA ΔE 0.044
- Celeste #A8DADC ΔE 0.044
Use #B5CEE9 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.