#817CFE
Closest named color: Periwinkle (#8E82FE). oklch(65.4% 0.188 281.6), rgb(129, 124, 254).
Aa
Black text reads best on this color (6.24:1).
About this color
#817CFE is a medium-light, vivid purple. In OKLCH its lightness is 65%, its chroma 0.188 and its hue 282°. Its hue sits on the cool side of the wheel. The nearest named color is Periwinkle (#8E82FE), ΔE 0.025 away. Black text reads best on it, at 6.24:1.
| Hue family | Purples |
| Lightness | medium-light (65%) |
| Chroma | vivid (0.188) |
| Temperature | cool |
| Nearest name | Periwinkle (#8E82FE) |
| Black text | 6.24:1 |
| White text | 3.36:1 |
Values
| HEX | #817CFE |
| RGB | rgb(129, 124, 254) |
| HSL | hsl(242, 98%, 74%) |
| OKLCH | oklch(65.4% 0.188 281.6) |
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 #817CFE | 3.36:1 | AA large text | Lc -66.3 | Content text, not long reading |
| Black text on #817CFE | 6.24:1 | AA | Lc 43.3 | Non-text elements, placeholder text |
| #817CFE text on white | 3.36:1 | AA large text | Lc 60.8 | Content text, not long reading |
| #817CFE text on black | 6.24:1 | AA | Lc -40.9 | 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
#F4F5FE
oklch(97.2% 0.012 281.1)
-
Step 100
100
#E6E8FC
oklch(93.5% 0.027 281.3)
-
Step 200
200
#D3D6FB
oklch(88.6% 0.051 281.6)
-
Step 300
300
#B6BAFB
oklch(80.9% 0.092 281.4)
-
Step 400
400
#9293F9
oklch(70.6% 0.147 281.5)
-
Step 500
500 (this color)
#817CFE
oklch(65.4% 0.188 281.6)
-
Step 600
600
#6659E5
oklch(55.7% 0.204 281.7)
-
Step 700
700
#5548C7
oklch(49.2% 0.189 281.5)
-
Step 800
800
#453CA1
oklch(42.7% 0.157 281.4)
-
Step 900
900
#393580
oklch(37.8% 0.123 281.2)
-
Step 950
950
#21204B
oklch(27.1% 0.077 280.9)
#817CFE 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) | #3A91FF | 0.082 |
| Deuteranopia (no green cones) | #2F87FB | 0.083 |
| Tritanopia (no blue cones) | #5199B1 | 0.163 |
| Achromatopsia (no color) | #8C8C8C | 0.188 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #817CFE
#817CFE
oklch(65.4% 0.188 281.6)
- #A29200
#A29200
oklch(65.4% 0.137 101.6)
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 #817CFE, closest first.
No curated palette has a color within ΔE 0.04 of #817CFE.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Periwinkle #8E82FE ΔE 0.025
- Cornflower #6A79F7 ΔE 0.035
- Lavender Blue #8B88F8 ΔE 0.036
- Medium Slate Blue #7B68EE ΔE 0.052
- Soft Blue #6488EA ΔE 0.056
- Medium Purple #9370DB ΔE 0.060
- Perrywinkle #8F8CE7 ΔE 0.062
- Cornflower Blue #6495ED ΔE 0.076
Use #817CFE 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.