#B5CEE5
Closest named color: Light Blue Grey (#B7C9E2). oklch(84% 0.042 246.1), rgb(181, 206, 229).
Aa
Black text reads best on this color (12.92:1).
About this color
#B5CEE5 is a light, muted blue. In OKLCH its lightness is 84%, its chroma 0.042 and its hue 246°. Its hue sits on the cool side of the wheel. The nearest named color is Light Blue Grey (#B7C9E2), ΔE 0.013 away. Black text reads best on it, at 12.92:1.
| Hue family | Blues |
| Lightness | light (84%) |
| Chroma | muted (0.042) |
| Temperature | cool |
| Nearest name | Light Blue Grey (#B7C9E2) |
| Black text | 12.92:1 |
| White text | 1.62:1 |
Values
| HEX | #B5CEE5 |
| RGB | rgb(181, 206, 229) |
| HSL | hsl(209, 48%, 80%) |
| OKLCH | oklch(84% 0.042 246.1) |
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 #B5CEE5 | 1.62:1 | Fails | Lc -31.5 | Non-text elements, placeholder text |
| Black text on #B5CEE5 | 12.92:1 | AAA | Lc 75.9 | Fine for body text |
| #B5CEE5 text on white | 1.62:1 | Fails | Lc 27.9 | Dividers and decoration only |
| #B5CEE5 text on black | 12.92:1 | AAA | Lc -75.0 | 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
#F2F6F9
oklch(97.1% 0.006 239.8)
-
Step 100
100
#E4EBF2
oklch(93.7% 0.012 248)
-
Step 200
200
#CDDBE8
oklch(88.5% 0.023 246.1)
-
Step 300
300 (this color)
#B5CEE5
oklch(84% 0.042 246.1)
-
Step 400
400
#7EA5C9
oklch(70.7% 0.068 246.8)
-
Step 500
500
#5C8FBB
oklch(63.2% 0.086 245.8)
-
Step 600
600
#4178A7
oklch(55.6% 0.094 246.3)
-
Step 700
700
#33658F
oklch(49.1% 0.087 246.1)
-
Step 800
800
#2B5274
oklch(42.6% 0.072 246.8)
-
Step 900
900
#27445E
oklch(37.6% 0.057 247)
-
Step 950
950
#172837
oklch(26.9% 0.036 246.3)
#B5CEE5 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) | #C5CEE6 | 0.021 |
| Deuteranopia (no green cones) | #BFC9E5 | 0.017 |
| Tritanopia (no blue cones) | #A8D3D5 | 0.034 |
| Achromatopsia (no color) | #CBCBCB | 0.042 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B5CEE5
#B5CEE5
oklch(84% 0.042 246.1)
- #DEC6AE
#DEC6AE
oklch(84% 0.042 67.2)
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 #B5CEE5, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Blue Grey #B7C9E2 ΔE 0.013
- Light Blue #ADD8E6 ΔE 0.027
- Light Steel Blue #B0C4DE ΔE 0.027
- Cloudy Blue #ACC2D9 ΔE 0.035
- Baby Blue #A2CFFE ΔE 0.040
- Celeste #A8DADC ΔE 0.041
- Cadet Gray #CED4DA ΔE 0.041
- Light Periwinkle #C1C6FC ΔE 0.047
Use #B5CEE5 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.