#917CEB
Closest named color: Periwinkle (#8E82FE). oklch(65.5% 0.161 289.9), rgb(145, 124, 235).
Aa
Black text reads best on this color (6.28:1).
About this color
#917CEB is a medium-light, vivid purple. In OKLCH its lightness is 66%, its chroma 0.161 and its hue 290°. Its hue sits on the cool side of the wheel. The nearest named color is Periwinkle (#8E82FE), ΔE 0.030 away. Black text reads best on it, at 6.28:1.
| Hue family | Purples |
| Lightness | medium-light (66%) |
| Chroma | vivid (0.161) |
| Temperature | cool |
| Nearest name | Periwinkle (#8E82FE) |
| Black text | 6.28:1 |
| White text | 3.34:1 |
Values
| HEX | #917CEB |
| RGB | rgb(145, 124, 235) |
| HSL | hsl(251, 74%, 70%) |
| OKLCH | oklch(65.5% 0.161 289.9) |
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 #917CEB | 3.34:1 | AA large text | Lc -66.1 | Content text, not long reading |
| Black text on #917CEB | 6.28:1 | AA | Lc 43.4 | Non-text elements, placeholder text |
| #917CEB text on white | 3.34:1 | AA large text | Lc 60.6 | Content text, not long reading |
| #917CEB text on black | 6.28:1 | AA | Lc -41.1 | 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
#F5F4FC
oklch(97% 0.011 292)
-
Step 100
100
#E9E8F9
oklch(93.7% 0.023 288.7)
-
Step 200
200
#D8D5F5
oklch(88.5% 0.044 289.8)
-
Step 300
300
#BFB9F1
oklch(81% 0.079 289.4)
-
Step 400
400
#A092E9
oklch(70.7% 0.126 290.2)
-
Step 500
500 (this color)
#917CEB
oklch(65.5% 0.161 289.9)
-
Step 600
600
#755AD1
oklch(55.6% 0.176 289.9)
-
Step 700
700
#6349B5
oklch(49.1% 0.164 290.1)
-
Step 800
800
#503D92
oklch(42.7% 0.134 289.8)
-
Step 900
900
#423575
oklch(37.7% 0.106 289.7)
-
Step 950
950
#262044
oklch(27% 0.065 288.9)
#917CEB 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) | #528FEF | 0.085 |
| Deuteranopia (no green cones) | #548AE8 | 0.081 |
| Tritanopia (no blue cones) | #7992A8 | 0.134 |
| Achromatopsia (no color) | #8D8D8D | 0.161 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #917CEB
#917CEB
oklch(65.5% 0.161 289.9)
- #979700
#979700
oklch(65.5% 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 #917CEB, closest first.
No curated palette has a color within ΔE 0.04 of #917CEB.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Periwinkle #8E82FE ΔE 0.030
- Lavender Blue #8B88F8 ΔE 0.032
- Medium Purple #9370DB ΔE 0.034
- Perrywinkle #8F8CE7 ΔE 0.041
- Cornflower #6A79F7 ΔE 0.059
- Medium Slate Blue #7B68EE ΔE 0.062
- Light Urple #B36FF6 ΔE 0.062
- Soft Blue #6488EA ΔE 0.064
Use #917CEB 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.