#817ADD
Closest named color: Medium Purple (#9370DB). oklch(63% 0.146 284.6), rgb(129, 122, 221).
Aa
Black text reads best on this color (5.76:1).
About this color
#817ADD is a medium-light, vivid purple. In OKLCH its lightness is 63%, its chroma 0.146 and its hue 285°. Its hue sits on the cool side of the wheel. The nearest named color is Medium Purple (#9370DB), ΔE 0.034 away. Black text reads best on it, at 5.76:1.
| Hue family | Purples |
| Lightness | medium-light (63%) |
| Chroma | vivid (0.146) |
| Temperature | cool |
| Nearest name | Medium Purple (#9370DB) |
| Black text | 5.76:1 |
| White text | 3.64:1 |
Values
| HEX | #817ADD |
| RGB | rgb(129, 122, 221) |
| HSL | hsl(244, 59%, 67%) |
| OKLCH | oklch(63% 0.146 284.6) |
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 #817ADD | 3.64:1 | AA large text | Lc -69.4 | Content text, not long reading |
| Black text on #817ADD | 5.76:1 | AA | Lc 40.2 | Non-text elements, placeholder text |
| #817ADD text on white | 3.64:1 | AA large text | Lc 63.9 | Content text, not long reading |
| #817ADD text on black | 5.76:1 | AA | Lc -37.8 | Non-text elements, placeholder text |
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 500.
-
Step 50
50
#F4F5FC
oklch(97.1% 0.009 279.7)
-
Step 100
100
#E8E8F8
oklch(93.6% 0.022 286)
-
Step 200
200
#D6D6F3
oklch(88.5% 0.04 285.6)
-
Step 300
300
#BBBBEE
oklch(80.9% 0.072 284.7)
-
Step 400
400
#9996E5
oklch(70.7% 0.114 284.8)
-
Step 500
500 (this color)
#817ADD
oklch(63% 0.146 284.6)
-
Step 600
600
#6C61CB
oklch(55.6% 0.159 284.7)
-
Step 700
700
#5A50AF
oklch(49.1% 0.146 284.4)
-
Step 800
800
#4A428E
oklch(42.8% 0.121 284.8)
-
Step 900
900
#3D3871
oklch(37.6% 0.095 284.8)
-
Step 950
950
#242142
oklch(26.9% 0.06 285.8)
#817ADD 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) | #5589E1 | 0.061 |
| Deuteranopia (no green cones) | #5183DB | 0.061 |
| Tritanopia (no blue cones) | #658EA1 | 0.124 |
| Achromatopsia (no color) | #868686 | 0.146 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #817ADD
#817ADD
oklch(63% 0.146 284.6)
- #968D00
#968D00
oklch(63.1% 0.134 105.1)
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 #817ADD, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Medium Purple #9370DB ΔE 0.034
- Soft Blue #6488EA ΔE 0.049
- Cornflower #6A79F7 ΔE 0.050
- Perrywinkle #8F8CE7 ΔE 0.052
- Lavender Blue #8B88F8 ΔE 0.052
- Medium Slate Blue #7B68EE ΔE 0.055
- Periwinkle #8E82FE ΔE 0.055
- Deep Lilac #966EBD ΔE 0.059
Use #817ADD 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.