#817BDA
Closest named color: Medium Purple (#9370DB). oklch(63.1% 0.14 284.5), rgb(129, 123, 218).
Aa
Black text reads best on this color (5.77:1).
About this color
#817BDA is a medium-light, vivid purple. In OKLCH its lightness is 63%, its chroma 0.140 and its hue 284°. Its hue sits on the cool side of the wheel. The nearest named color is Medium Purple (#9370DB), ΔE 0.036 away. Black text reads best on it, at 5.77:1.
| Hue family | Purples |
| Lightness | medium-light (63%) |
| Chroma | vivid (0.140) |
| Temperature | cool |
| Nearest name | Medium Purple (#9370DB) |
| Black text | 5.77:1 |
| White text | 3.63:1 |
Values
| HEX | #817BDA |
| RGB | rgb(129, 123, 218) |
| HSL | hsl(244, 56%, 67%) |
| OKLCH | oklch(63.1% 0.14 284.5) |
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 #817BDA | 3.63:1 | AA large text | Lc -69.3 | Content text, not long reading |
| Black text on #817BDA | 5.77:1 | AA | Lc 40.3 | Non-text elements, placeholder text |
| #817BDA text on white | 3.63:1 | AA large text | Lc 63.8 | Content text, not long reading |
| #817BDA text on black | 5.77:1 | AA | Lc -37.9 | 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
#E8E8F7
oklch(93.5% 0.02 286)
-
Step 200
200
#D6D6F2
oklch(88.5% 0.038 285.6)
-
Step 300
300
#BBBBEC
oklch(80.9% 0.069 284.8)
-
Step 400
400
#9997E2
oklch(70.7% 0.109 284.5)
-
Step 500
500 (this color)
#817BDA
oklch(63.1% 0.14 284.5)
-
Step 600
600
#6C62C8
oklch(55.6% 0.153 284.7)
-
Step 700
700
#5A51AD
oklch(49.2% 0.142 284.3)
-
Step 800
800
#49438C
oklch(42.7% 0.117 284)
-
Step 900
900
#3D3970
oklch(37.7% 0.092 284.4)
-
Step 950
950
#242241
oklch(27.1% 0.057 284.9)
#817BDA 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) | #5889DE | 0.058 |
| Deuteranopia (no green cones) | #5583D8 | 0.057 |
| Tritanopia (no blue cones) | #678EA0 | 0.120 |
| Achromatopsia (no color) | #868686 | 0.140 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #817BDA
#817BDA
oklch(63.1% 0.14 284.5)
- #978C00
#978C00
oklch(63% 0.133 104)
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 #817BDA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Medium Purple #9370DB ΔE 0.036
- Soft Blue #6488EA ΔE 0.049
- Perrywinkle #8F8CE7 ΔE 0.051
- Lavender Blue #8B88F8 ΔE 0.054
- Cornflower #6A79F7 ΔE 0.054
- Deep Lilac #966EBD ΔE 0.057
- Periwinkle #8E82FE ΔE 0.058
- Medium Slate Blue #7B68EE ΔE 0.060
Use #817BDA 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.