#A5B8FB
Closest named color: Pastel Blue (#A2BFFE). oklch(79.3% 0.098 271.8), rgb(165, 184, 251).
Aa
Black text reads best on this color (10.84:1).
About this color
#A5B8FB is a light, moderately saturated blue. In OKLCH its lightness is 79%, its chroma 0.098 and its hue 272°. Its hue sits on the cool side of the wheel. The nearest named color is Pastel Blue (#A2BFFE), ΔE 0.018 away. Black text reads best on it, at 10.84:1.
| Hue family | Blues |
| Lightness | light (79%) |
| Chroma | moderately saturated (0.098) |
| Temperature | cool |
| Nearest name | Pastel Blue (#A2BFFE) |
| Black text | 10.84:1 |
| White text | 1.93:1 |
Values
| HEX | #A5B8FB |
| RGB | rgb(165, 184, 251) |
| HSL | hsl(227, 91%, 82%) |
| OKLCH | oklch(79.3% 0.098 271.8) |
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 #A5B8FB | 1.93:1 | Fails | Lc -41.4 | Non-text elements, placeholder text |
| Black text on #A5B8FB | 10.84:1 | AAA | Lc 66.8 | Content text, not long reading |
| #A5B8FB text on white | 1.93:1 | Fails | Lc 37.1 | Non-text elements, placeholder text |
| #A5B8FB text on black | 10.84:1 | AAA | Lc -65.4 | 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
#F2F5FF
oklch(97.1% 0.014 272.7)
-
Step 100
100
#E3E9FE
oklch(93.6% 0.029 273.1)
-
Step 200
200
#CCD8FE
oklch(88.5% 0.054 271.5)
-
Step 300
300 (this color)
#A5B8FB
oklch(79.3% 0.098 271.8)
-
Step 400
400
#8098FF
oklch(70.7% 0.153 272.1)
-
Step 500
500
#627AFF
oklch(63.1% 0.198 271.8)
-
Step 600
600
#4C5EF0
oklch(55.7% 0.218 271.9)
-
Step 700
700
#3E4CD1
oklch(49.2% 0.203 271.9)
-
Step 800
800
#323FA9
oklch(42.6% 0.169 271.7)
-
Step 900
900
#2B3885
oklch(37.7% 0.129 271.5)
-
Step 950
950
#19214E
oklch(26.9% 0.083 272.1)
#A5B8FB 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) | #A3BEFE | 0.015 |
| Deuteranopia (no green cones) | #9CB7F9 | 0.012 |
| Tritanopia (no blue cones) | #8CC5CF | 0.088 |
| Achromatopsia (no color) | #BABABA | 0.098 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A5B8FB
#A5B8FB
oklch(79.3% 0.098 271.8)
- #D2BA70
#D2BA70
oklch(79.3% 0.098 92)
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 #A5B8FB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Pastel Blue #A2BFFE ΔE 0.018
- Carolina Blue #8AB8FE ΔE 0.032
- Light Periwinkle #C1C6FC ΔE 0.055
- Sky #82CAFC ΔE 0.057
- Pale Violet #CEAEFA ΔE 0.059
- Baby Blue #A2CFFE ΔE 0.060
- Lightblue #7BC8F6 ΔE 0.061
- Light Steel Blue #B0C4DE ΔE 0.062
Use #A5B8FB 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.