#A4B1EB
Closest named color: Carolina Blue (#8AB8FE). oklch(77.1% 0.084 274.5), rgb(164, 177, 235).
Aa
Black text reads best on this color (10.06:1).
About this color
#A4B1EB is a medium-light, moderately saturated blue. In OKLCH its lightness is 77%, its chroma 0.084 and its hue 274°. Its hue sits on the cool side of the wheel. The nearest named color is Carolina Blue (#8AB8FE), ΔE 0.039 away. Black text reads best on it, at 10.06:1.
| Hue family | Blues |
| Lightness | medium-light (77%) |
| Chroma | moderately saturated (0.084) |
| Temperature | cool |
| Nearest name | Carolina Blue (#8AB8FE) |
| Black text | 10.06:1 |
| White text | 2.08:1 |
Values
| HEX | #A4B1EB |
| RGB | rgb(164, 177, 235) |
| HSL | hsl(229, 64%, 78%) |
| OKLCH | oklch(77.1% 0.084 274.5) |
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 #A4B1EB | 2.08:1 | Fails | Lc -45.4 | Large or bold text, headings |
| Black text on #A4B1EB | 10.06:1 | AAA | Lc 63.2 | Content text, not long reading |
| #A4B1EB text on white | 2.08:1 | Fails | Lc 40.8 | Non-text elements, placeholder text |
| #A4B1EB text on black | 10.06:1 | AAA | Lc -61.5 | 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
#F3F5FD
oklch(97.1% 0.011 274.9)
-
Step 100
100
#E5E9FB
oklch(93.6% 0.025 275.9)
-
Step 200
200
#CFD8F9
oklch(88.6% 0.047 273.4)
-
Step 300
300 (this color)
#A4B1EB
oklch(77.1% 0.084 274.5)
-
Step 400
400
#8899F4
oklch(70.8% 0.134 274.4)
-
Step 500
500
#6C7CF0
oklch(63.1% 0.173 274.4)
-
Step 600
600
#5662DE
oklch(55.6% 0.187 274.4)
-
Step 700
700
#4750C1
oklch(49.1% 0.174 274.5)
-
Step 800
800
#3A429C
oklch(42.6% 0.145 274.6)
-
Step 900
900
#31397C
oklch(37.6% 0.113 274.5)
-
Step 950
950
#1D2249
oklch(27% 0.072 275)
#A4B1EB 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) | #9FB6EE | 0.013 |
| Deuteranopia (no green cones) | #9AB1EA | 0.013 |
| Tritanopia (no blue cones) | #91BCC5 | 0.076 |
| Achromatopsia (no color) | #B3B3B3 | 0.085 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A4B1EB
#A4B1EB
oklch(77.1% 0.084 274.5)
- #C6B475
#C6B475
oklch(77.1% 0.085 94)
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 #A4B1EB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Carolina Blue #8AB8FE ΔE 0.039
- Pastel Blue #A2BFFE ΔE 0.039
- Light Grey Blue #9DBCD4 ΔE 0.052
- Light Cornflower Blue #98C1D9 ΔE 0.058
- Cloudy Blue #ACC2D9 ΔE 0.061
- Light Steel Blue #B0C4DE ΔE 0.063
- Pale Violet #CEAEFA ΔE 0.064
- Lightblue #7BC8F6 ΔE 0.069
Use #A4B1EB 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.