#A4ADE3
Closest named color: Carolina Blue (#8AB8FE). oklch(76% 0.078 277), rgb(164, 173, 227).
Aa
Black text reads best on this color (9.66:1).
About this color
#A4ADE3 is a medium-light, moderately saturated blue. In OKLCH its lightness is 76%, its chroma 0.078 and its hue 277°. Its hue sits on the cool side of the wheel. The nearest named color is Carolina Blue (#8AB8FE), ΔE 0.049 away. Black text reads best on it, at 9.66:1.
| Hue family | Blues |
| Lightness | medium-light (76%) |
| Chroma | moderately saturated (0.078) |
| Temperature | cool |
| Nearest name | Carolina Blue (#8AB8FE) |
| Black text | 9.66:1 |
| White text | 2.17:1 |
Values
| HEX | #A4ADE3 |
| RGB | rgb(164, 173, 227) |
| HSL | hsl(231, 53%, 77%) |
| OKLCH | oklch(76% 0.078 277) |
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 #A4ADE3 | 2.17:1 | Fails | Lc -47.4 | Large or bold text, headings |
| Black text on #A4ADE3 | 9.66:1 | AAA | Lc 61.3 | Content text, not long reading |
| #A4ADE3 text on white | 2.17:1 | Fails | Lc 42.7 | Non-text elements, placeholder text |
| #A4ADE3 text on black | 9.66:1 | AAA | Lc -59.5 | Large or bold text, headings |
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
#E6E9F9
oklch(93.6% 0.022 277.5)
-
Step 200
200
#D1D7F6
oklch(88.4% 0.043 276.8)
-
Step 300
300 (this color)
#A4ADE3
oklch(76% 0.078 277)
-
Step 400
400
#8D98EE
oklch(70.6% 0.126 277.1)
-
Step 500
500
#737CE8
oklch(63% 0.16 277.2)
-
Step 600
600
#5D63D6
oklch(55.6% 0.173 276.9)
-
Step 700
700
#4D51BA
oklch(49.1% 0.162 277)
-
Step 800
800
#3F4396
oklch(42.7% 0.134 277)
-
Step 900
900
#353978
oklch(37.6% 0.106 277.3)
-
Step 950
950
#1F2246
oklch(27% 0.066 277.4)
#A4ADE3 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) | #9DB2E5 | 0.015 |
| Deuteranopia (no green cones) | #9AAEE2 | 0.013 |
| Tritanopia (no blue cones) | #94B7C0 | 0.069 |
| Achromatopsia (no color) | #B0B0B0 | 0.078 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A4ADE3
#A4ADE3
oklch(76% 0.078 277)
- #BFB278
#BFB278
oklch(76.1% 0.078 97.1)
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 #A4ADE3, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Carolina Blue #8AB8FE ΔE 0.049
- Light Grey Blue #9DBCD4 ΔE 0.052
- Pastel Blue #A2BFFE ΔE 0.052
- Light Cornflower Blue #98C1D9 ΔE 0.061
- Cloudy Blue #ACC2D9 ΔE 0.065
- French Gray #ADB5BD ΔE 0.067
- Light Steel Blue #B0C4DE ΔE 0.068
- Pale Violet #CEAEFA ΔE 0.070
Use #A4ADE3 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.