#A5CEEB
Closest named color: Light Blue Grey (#B7C9E2). oklch(83.2% 0.06 239.2), rgb(165, 206, 235).
Aa
Black text reads best on this color (12.62:1).
About this color
#A5CEEB is a light, muted blue. In OKLCH its lightness is 83%, its chroma 0.060 and its hue 239°. Its hue sits on the cool side of the wheel. The nearest named color is Light Blue Grey (#B7C9E2), ΔE 0.024 away. Black text reads best on it, at 12.62:1.
| Hue family | Blues |
| Lightness | light (83%) |
| Chroma | muted (0.060) |
| Temperature | cool |
| Nearest name | Light Blue Grey (#B7C9E2) |
| Black text | 12.62:1 |
| White text | 1.66:1 |
Values
| HEX | #A5CEEB |
| RGB | rgb(165, 206, 235) |
| HSL | hsl(205, 64%, 78%) |
| OKLCH | oklch(83.2% 0.06 239.2) |
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 #A5CEEB | 1.66:1 | Fails | Lc -32.9 | Non-text elements, placeholder text |
| Black text on #A5CEEB | 12.62:1 | AAA | Lc 74.7 | Content text, not long reading |
| #A5CEEB text on white | 1.66:1 | Fails | Lc 29.2 | Dividers and decoration only |
| #A5CEEB text on black | 12.62:1 | AAA | Lc -73.7 | Content text, not long reading |
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
#F1F6FA
oklch(97.1% 0.008 241.7)
-
Step 100
100
#E0ECF4
oklch(93.6% 0.017 236.7)
-
Step 200
200
#C6DDED
oklch(88.5% 0.033 238.2)
-
Step 300
300 (this color)
#A5CEEB
oklch(83.2% 0.06 239.2)
-
Step 400
400
#65A9D6
oklch(70.7% 0.096 239.1)
-
Step 500
500
#3392CB
oklch(63.1% 0.122 239.6)
-
Step 600
600
#007BB4
oklch(55.5% 0.126 239.3)
-
Step 700
700
#006898
oklch(49.2% 0.11 238.7)
-
Step 800
800
#00557E
oklch(42.8% 0.097 239.2)
-
Step 900
900
#0B4667
oklch(37.6% 0.08 239.8)
-
Step 950
950
#0A293C
oklch(26.9% 0.05 239.7)
#A5CEEB 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) | #C2CDEC | 0.036 |
| Deuteranopia (no green cones) | #B8C5EB | 0.032 |
| Tritanopia (no blue cones) | #8FD5D7 | 0.047 |
| Achromatopsia (no color) | #C9C9C9 | 0.060 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A5CEEB
#A5CEEB
oklch(83.2% 0.06 239.2)
- #E6BFA2
#E6BFA2
oklch(83.1% 0.06 58.4)
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 #A5CEEB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Blue Grey #B7C9E2 ΔE 0.024
- Baby Blue #A2CFFE ΔE 0.027
- Light Steel Blue #B0C4DE ΔE 0.028
- Light Blue #ADD8E6 ΔE 0.032
- Sky Blue #87CEEB ΔE 0.033
- Cloudy Blue #ACC2D9 ΔE 0.034
- Light Sky Blue #87CEFA ΔE 0.037
- Light Cornflower Blue #98C1D9 ΔE 0.043
Use #A5CEEB 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.