#917CEF
Closest named color: Periwinkle (#8E82FE). oklch(65.8% 0.166 289.4), rgb(145, 124, 239).
Aa
Black text reads best on this color (6.33:1).
About this color
#917CEF is a medium-light, vivid purple. In OKLCH its lightness is 66%, its chroma 0.166 and its hue 289°. 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 6.33:1.
| Hue family | Purples |
| Lightness | medium-light (66%) |
| Chroma | vivid (0.166) |
| Temperature | cool |
| Nearest name | Periwinkle (#8E82FE) |
| Black text | 6.33:1 |
| White text | 3.31:1 |
Values
| HEX | #917CEF |
| RGB | rgb(145, 124, 239) |
| HSL | hsl(251, 78%, 71%) |
| OKLCH | oklch(65.8% 0.166 289.4) |
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 #917CEF | 3.31:1 | AA large text | Lc -65.8 | Content text, not long reading |
| Black text on #917CEF | 6.33:1 | AA | Lc 43.7 | Non-text elements, placeholder text |
| #917CEF text on white | 3.31:1 | AA large text | Lc 60.4 | Content text, not long reading |
| #917CEF text on black | 6.33:1 | AA | Lc -41.4 | 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
#F5F4FD
oklch(97% 0.012 291.3)
-
Step 100
100
#E9E8F9
oklch(93.7% 0.023 288.7)
-
Step 200
200
#D8D5F6
oklch(88.6% 0.045 289.6)
-
Step 300
300
#BFB8F2
oklch(80.8% 0.081 290)
-
Step 400
400
#9F92EC
oklch(70.8% 0.13 289.3)
-
Step 500
500 (this color)
#917CEF
oklch(65.8% 0.166 289.4)
-
Step 600
600
#7459D4
oklch(55.5% 0.181 289.2)
-
Step 700
700
#6248B8
oklch(49.1% 0.169 289.4)
-
Step 800
800
#503C95
oklch(42.7% 0.14 289.5)
-
Step 900
900
#423476
oklch(37.6% 0.109 289.9)
-
Step 950
950
#261F45
oklch(26.9% 0.069 289.4)
#917CEF 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) | #4F8FF3 | 0.086 |
| Deuteranopia (no green cones) | #508AEC | 0.084 |
| Tritanopia (no blue cones) | #7793AA | 0.138 |
| Achromatopsia (no color) | #8D8D8D | 0.167 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #917CEF
#917CEF
oklch(65.8% 0.166 289.4)
- #989800
#989800
oklch(65.8% 0.143 109.8)
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 #917CEF, closest first.
No curated palette has a color within ΔE 0.04 of #917CEF.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Periwinkle #8E82FE ΔE 0.025
- Lavender Blue #8B88F8 ΔE 0.030
- Medium Purple #9370DB ΔE 0.038
- Perrywinkle #8F8CE7 ΔE 0.044
- Cornflower #6A79F7 ΔE 0.058
- Light Urple #B36FF6 ΔE 0.061
- Medium Slate Blue #7B68EE ΔE 0.061
- Soft Blue #6488EA ΔE 0.065
Use #917CEF 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.