#817AEC
Closest named color: Cornflower (#6A79F7). oklch(63.9% 0.166 283.4), rgb(129, 122, 236).
Aa
Black text reads best on this color (5.92:1).
About this color
#817AEC is a medium-light, vivid purple. In OKLCH its lightness is 64%, its chroma 0.166 and its hue 283°. Its hue sits on the cool side of the wheel. The nearest named color is Cornflower (#6A79F7), ΔE 0.036 away. Black text reads best on it, at 5.92:1.
| Hue family | Purples |
| Lightness | medium-light (64%) |
| Chroma | vivid (0.166) |
| Temperature | cool |
| Nearest name | Cornflower (#6A79F7) |
| Black text | 5.92:1 |
| White text | 3.54:1 |
Values
| HEX | #817AEC |
| RGB | rgb(129, 122, 236) |
| HSL | hsl(244, 75%, 70%) |
| OKLCH | oklch(63.9% 0.166 283.4) |
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 #817AEC | 3.54:1 | AA large text | Lc -68.3 | Content text, not long reading |
| Black text on #817AEC | 5.92:1 | AA | Lc 41.3 | Non-text elements, placeholder text |
| #817AEC text on white | 3.54:1 | AA large text | Lc 62.8 | Content text, not long reading |
| #817AEC text on black | 5.92:1 | AA | Lc -38.9 | 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
#F4F5FD
oklch(97.2% 0.011 280.5)
-
Step 100
100
#E7E8FA
oklch(93.6% 0.024 283.4)
-
Step 200
200
#D4D6F7
oklch(88.5% 0.045 282.7)
-
Step 300
300
#B9BAF4
oklch(80.8% 0.082 283.6)
-
Step 400
400
#9695EF
oklch(70.8% 0.13 283.1)
-
Step 500
500 (this color)
#817AEC
oklch(63.9% 0.166 283.4)
-
Step 600
600
#6A5DD7
oklch(55.6% 0.18 283.7)
-
Step 700
700
#584CBB
oklch(49.1% 0.168 283.2)
-
Step 800
800
#483F97
oklch(42.7% 0.139 283.4)
-
Step 900
900
#3C3778
oklch(37.8% 0.107 283.5)
-
Step 950
950
#232146
oklch(27.1% 0.067 283.4)
#817AEC 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) | #498CF0 | 0.072 |
| Deuteranopia (no green cones) | #4384E9 | 0.073 |
| Tritanopia (no blue cones) | #5E92A8 | 0.142 |
| Achromatopsia (no color) | #888888 | 0.167 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #817AEC
#817AEC
oklch(63.9% 0.166 283.4)
- #9B8F00
#9B8F00
oklch(64% 0.135 103.6)
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 #817AEC, closest first.
No curated palette has a color within ΔE 0.04 of #817AEC.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cornflower #6A79F7 ΔE 0.036
- Periwinkle #8E82FE ΔE 0.038
- Medium Purple #9370DB ΔE 0.040
- Lavender Blue #8B88F8 ΔE 0.041
- Medium Slate Blue #7B68EE ΔE 0.045
- Soft Blue #6488EA ΔE 0.048
- Perrywinkle #8F8CE7 ΔE 0.054
- Cornflower Blue #6495ED ΔE 0.073
Use #817AEC 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.