#A4B4EB
Closest named color: Pastel Blue (#A2BFFE). oklch(77.7% 0.081 271.8), rgb(164, 180, 235).
Aa
Black text reads best on this color (10.30:1).
About this color
#A4B4EB is a medium-light, moderately saturated blue. In OKLCH its lightness is 78%, its chroma 0.081 and its hue 272°. Its hue sits on the cool side of the wheel. The nearest named color is Pastel Blue (#A2BFFE), ΔE 0.034 away. Black text reads best on it, at 10.30:1.
| Hue family | Blues |
| Lightness | medium-light (78%) |
| Chroma | moderately saturated (0.081) |
| Temperature | cool |
| Nearest name | Pastel Blue (#A2BFFE) |
| Black text | 10.30:1 |
| White text | 2.03:1 |
Values
| HEX | #A4B4EB |
| RGB | rgb(164, 180, 235) |
| HSL | hsl(226, 64%, 78%) |
| OKLCH | oklch(77.7% 0.081 271.8) |
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 #A4B4EB | 2.03:1 | Fails | Lc -44.1 | Non-text elements, placeholder text |
| Black text on #A4B4EB | 10.30:1 | AAA | Lc 64.3 | Content text, not long reading |
| #A4B4EB text on white | 2.03:1 | Fails | Lc 39.6 | Non-text elements, placeholder text |
| #A4B4EB text on black | 10.30:1 | AAA | Lc -62.7 | 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
#F3F5FD
oklch(97.1% 0.011 274.9)
-
Step 100
100
#E4E9FA
oklch(93.5% 0.024 272.8)
-
Step 200
200
#CED8F8
oklch(88.5% 0.045 271.7)
-
Step 300
300 (this color)
#A4B4EB
oklch(77.7% 0.081 271.8)
-
Step 400
400
#849BF1
oklch(70.8% 0.129 271.4)
-
Step 500
500
#687FEC
oklch(63.1% 0.165 272)
-
Step 600
600
#5165DA
oklch(55.5% 0.179 272)
-
Step 700
700
#4253BE
oklch(49.1% 0.168 271.9)
-
Step 800
800
#364599
oklch(42.7% 0.138 271.7)
-
Step 900
900
#2E3B7A
oklch(37.7% 0.108 271.6)
-
Step 950
950
#1B2347
oklch(27% 0.068 271.8)
#A4B4EB 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) | #A3B9ED | 0.013 |
| Deuteranopia (no green cones) | #9EB3EA | 0.009 |
| Tritanopia (no blue cones) | #91BFC7 | 0.073 |
| Achromatopsia (no color) | #B6B6B6 | 0.081 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A4B4EB
#A4B4EB
oklch(77.7% 0.081 271.8)
- #C9B57A
#C9B57A
oklch(77.6% 0.081 91.5)
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 #A4B4EB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Pastel Blue #A2BFFE ΔE 0.034
- Carolina Blue #8AB8FE ΔE 0.038
- Light Grey Blue #9DBCD4 ΔE 0.046
- Light Cornflower Blue #98C1D9 ΔE 0.052
- Cloudy Blue #ACC2D9 ΔE 0.054
- Light Steel Blue #B0C4DE ΔE 0.055
- Lightblue #7BC8F6 ΔE 0.063
- Sky #82CAFC ΔE 0.063
Use #A4B4EB 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.