#817BEB
Closest named color: Cornflower (#6A79F7). oklch(64.1% 0.163 283.2), rgb(129, 123, 235).
Aa
Black text reads best on this color (5.96:1).
About this color
#817BEB is a medium-light, vivid purple. In OKLCH its lightness is 64%, its chroma 0.163 and its hue 283°. Its hue sits on the cool side of the wheel. The nearest named color is Cornflower (#6A79F7), ΔE 0.037 away. Black text reads best on it, at 5.96:1.
| Hue family | Purples |
| Lightness | medium-light (64%) |
| Chroma | vivid (0.163) |
| Temperature | cool |
| Nearest name | Cornflower (#6A79F7) |
| Black text | 5.96:1 |
| White text | 3.51:1 |
Values
| HEX | #817BEB |
| RGB | rgb(129, 123, 235) |
| HSL | hsl(243, 74%, 70%) |
| OKLCH | oklch(64.1% 0.163 283.2) |
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 #817BEB | 3.51:1 | AA large text | Lc -68.1 | Content text, not long reading |
| Black text on #817BEB | 5.96:1 | AA | Lc 41.5 | Non-text elements, placeholder text |
| #817BEB text on white | 3.51:1 | AA large text | Lc 62.6 | Content text, not long reading |
| #817BEB text on black | 5.96:1 | AA | Lc -39.1 | 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
#F4F5FD
oklch(97.2% 0.011 280.5)
-
Step 100
100
#E7E8F9
oklch(93.5% 0.023 283.3)
-
Step 200
200
#D4D6F6
oklch(88.5% 0.044 282.6)
-
Step 300
300
#B9BBF3
oklch(81% 0.079 282.9)
-
Step 400
400
#9695EE
oklch(70.7% 0.129 283.1)
-
Step 500
500 (this color)
#817BEB
oklch(64.1% 0.163 283.2)
-
Step 600
600
#695ED6
oklch(55.6% 0.178 283.1)
-
Step 700
700
#584DB9
oklch(49.1% 0.164 283.1)
-
Step 800
800
#484096
oklch(42.8% 0.136 283.2)
-
Step 900
900
#3B3777
oklch(37.6% 0.106 282.9)
-
Step 950
950
#232146
oklch(27.1% 0.067 283.4)
#817BEB 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) | #4C8CEF | 0.069 |
| Deuteranopia (no green cones) | #4685E8 | 0.070 |
| Tritanopia (no blue cones) | #5E93A8 | 0.141 |
| Achromatopsia (no color) | #898989 | 0.164 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #817BEB
#817BEB
oklch(64.1% 0.163 283.2)
- #9C8F00
#9C8F00
oklch(64.1% 0.135 103)
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 #817BEB, closest first.
No curated palette has a color within ΔE 0.04 of #817BEB.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cornflower #6A79F7 ΔE 0.037
- Periwinkle #8E82FE ΔE 0.038
- Lavender Blue #8B88F8 ΔE 0.039
- Medium Purple #9370DB ΔE 0.041
- Soft Blue #6488EA ΔE 0.046
- Medium Slate Blue #7B68EE ΔE 0.048
- Perrywinkle #8F8CE7 ΔE 0.051
- Cornflower Blue #6495ED ΔE 0.070
Use #817BEB 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.