#817ECD
Closest named color: Medium Purple (#9370DB). oklch(62.9% 0.117 284.2), rgb(129, 126, 205).
Aa
Black text reads best on this color (5.79:1).
About this color
#817ECD is a medium-light, moderately saturated purple. In OKLCH its lightness is 63%, its chroma 0.117 and its hue 284°. Its hue sits on the cool side of the wheel. The nearest named color is Medium Purple (#9370DB), ΔE 0.050 away. Black text reads best on it, at 5.79:1.
| Hue family | Purples |
| Lightness | medium-light (63%) |
| Chroma | moderately saturated (0.117) |
| Temperature | cool |
| Nearest name | Medium Purple (#9370DB) |
| Black text | 5.79:1 |
| White text | 3.62:1 |
Values
| HEX | #817ECD |
| RGB | rgb(129, 126, 205) |
| HSL | hsl(242, 44%, 65%) |
| OKLCH | oklch(62.9% 0.117 284.2) |
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 #817ECD | 3.62:1 | AA large text | Lc -69.2 | Content text, not long reading |
| Black text on #817ECD | 5.79:1 | AA | Lc 40.4 | Non-text elements, placeholder text |
| #817ECD text on white | 3.62:1 | AA large text | Lc 63.7 | Content text, not long reading |
| #817ECD text on black | 5.79:1 | AA | Lc -38.0 | 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
#F5F5FB
oklch(97.2% 0.008 286.3)
-
Step 100
100
#E8E9F5
oklch(93.7% 0.016 282.3)
-
Step 200
200
#D6D7EE
oklch(88.5% 0.031 283.8)
-
Step 300
300
#BCBCE5
oklch(80.9% 0.058 285)
-
Step 400
400
#9999D8
oklch(70.7% 0.092 283.8)
-
Step 500
500 (this color)
#817ECD
oklch(62.9% 0.117 284.2)
-
Step 600
600
#6C67BB
oklch(55.7% 0.128 284.2)
-
Step 700
700
#5A55A1
oklch(49.1% 0.119 284.1)
-
Step 800
800
#494682
oklch(42.7% 0.097 283.7)
-
Step 900
900
#3D3B68
oklch(37.6% 0.076 284.2)
-
Step 950
950
#24233D
oklch(27.1% 0.048 284.5)
#817ECD 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) | #6489D0 | 0.044 |
| Deuteranopia (no green cones) | #6284CB | 0.042 |
| Tritanopia (no blue cones) | #6C8D9C | 0.100 |
| Achromatopsia (no color) | #868686 | 0.118 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #817ECD
#817ECD
oklch(62.9% 0.117 284.2)
- #958C29
#958C29
oklch(63% 0.117 104.1)
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 #817ECD, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Medium Purple #9370DB ΔE 0.050
- Deep Lilac #966EBD ΔE 0.050
- Perrywinkle #8F8CE7 ΔE 0.054
- Soft Blue #6488EA ΔE 0.056
- Wisteria #A87DC2 ΔE 0.062
- Faded Blue #658CBB ΔE 0.062
- Lavender Blue #8B88F8 ΔE 0.068
- Soft Purple #A66FB5 ΔE 0.070
Use #817ECD 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.