#A5CEE8
Closest named color: Light Blue Grey (#B7C9E2). oklch(83.1% 0.057 236.2), rgb(165, 206, 232).
Aa
Black text reads best on this color (12.59:1).
About this color
#A5CEE8 is a light, muted blue. In OKLCH its lightness is 83%, its chroma 0.057 and its hue 236°. 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 12.59:1.
| Hue family | Blues |
| Lightness | light (83%) |
| Chroma | muted (0.057) |
| Temperature | cool |
| Nearest name | Light Blue Grey (#B7C9E2) |
| Black text | 12.59:1 |
| White text | 1.66:1 |
Values
| HEX | #A5CEE8 |
| RGB | rgb(165, 206, 232) |
| HSL | hsl(203, 59%, 78%) |
| OKLCH | oklch(83.1% 0.057 236.2) |
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 #A5CEE8 | 1.66:1 | Fails | Lc -33.0 | Non-text elements, placeholder text |
| Black text on #A5CEE8 | 12.59:1 | AAA | Lc 74.5 | Content text, not long reading |
| #A5CEE8 text on white | 1.66:1 | Fails | Lc 29.3 | Dividers and decoration only |
| #A5CEE8 text on black | 12.59:1 | AAA | Lc -73.5 | 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
#C6DDEC
oklch(88.5% 0.032 236.4)
-
Step 300
300 (this color)
#A5CEE8
oklch(83.1% 0.057 236.2)
-
Step 400
400
#66A9D2
oklch(70.6% 0.091 236.9)
-
Step 500
500
#3393C6
oklch(63% 0.116 236.4)
-
Step 600
600
#007CB0
oklch(55.5% 0.121 236.7)
-
Step 700
700
#006894
oklch(49% 0.106 236.4)
-
Step 800
800
#00567A
oklch(42.8% 0.091 235.4)
-
Step 900
900
#0B4764
oklch(37.7% 0.075 236)
-
Step 950
950
#0A2A3B
oklch(27.1% 0.048 236)
#A5CEE8 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) | #C2CDE9 | 0.036 |
| Deuteranopia (no green cones) | #B9C5E8 | 0.032 |
| Tritanopia (no blue cones) | #90D5D6 | 0.044 |
| Achromatopsia (no color) | #C8C8C8 | 0.057 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A5CEE8
#A5CEE8
oklch(83.1% 0.057 236.2)
- #E5BFA5
#E5BFA5
oklch(83.1% 0.056 56.2)
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 #A5CEE8, 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
- Light Steel Blue #B0C4DE ΔE 0.027
- Light Blue #ADD8E6 ΔE 0.031
- Baby Blue #A2CFFE ΔE 0.031
- Sky Blue #87CEEB ΔE 0.032
- Cloudy Blue #ACC2D9 ΔE 0.032
- Light Sky Blue #87CEFA ΔE 0.039
- Light Cornflower Blue #98C1D9 ΔE 0.041
Use #A5CEE8 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.