#817CA7
Closest named color: Lavender Gray (#7E7F9A). oklch(60.7% 0.065 289.6), rgb(129, 124, 167).
Aa
Black text reads best on this color (5.37:1).
About this color
#817CA7 is a medium-dark, muted purple. In OKLCH its lightness is 61%, its chroma 0.065 and its hue 290°. Its hue sits on the cool side of the wheel. The nearest named color is Lavender Gray (#7E7F9A), ΔE 0.025 away. Black text reads best on it, at 5.37:1.
| Hue family | Purples |
| Lightness | medium-dark (61%) |
| Chroma | muted (0.065) |
| Temperature | cool |
| Nearest name | Lavender Gray (#7E7F9A) |
| Black text | 5.37:1 |
| White text | 3.90:1 |
Values
| HEX | #817CA7 |
| RGB | rgb(129, 124, 167) |
| HSL | hsl(247, 20%, 57%) |
| OKLCH | oklch(60.7% 0.065 289.6) |
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 #817CA7 | 3.90:1 | AA large text | Lc -72.0 | Content text, not long reading |
| Black text on #817CA7 | 5.37:1 | AA | Lc 37.6 | Non-text elements, placeholder text |
| #817CA7 text on white | 3.90:1 | AA large text | Lc 66.5 | Content text, not long reading |
| #817CA7 text on black | 5.37:1 | AA | Lc -35.2 | 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
#F5F5F8
oklch(97.1% 0.004 286.3)
-
Step 100
100
#E9E9F0
oklch(93.6% 0.009 286.2)
-
Step 200
200
#D8D7E4
oklch(88.4% 0.018 289.6)
-
Step 300
300
#C0BED4
oklch(81% 0.031 289.9)
-
Step 400
400
#9F9CBF
oklch(70.7% 0.051 289)
-
Step 500
500 (this color)
#817CA7
oklch(60.7% 0.065 289.6)
-
Step 600
600
#726C9A
oklch(55.5% 0.071 289.9)
-
Step 700
700
#605A84
oklch(49.1% 0.067 290.3)
-
Step 800
800
#4E4A6B
oklch(42.7% 0.054 289.4)
-
Step 900
900
#413E57
oklch(37.7% 0.042 289.7)
-
Step 950
950
#262433
oklch(26.9% 0.028 290.5)
#817CA7 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) | #7182A9 | 0.026 |
| Deuteranopia (no green cones) | #7180A6 | 0.025 |
| Tritanopia (no blue cones) | #79838B | 0.055 |
| Achromatopsia (no color) | #818181 | 0.065 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #817CA7
#817CA7
oklch(60.7% 0.065 289.6)
- #848658
#848658
oklch(60.7% 0.065 110.3)
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 #817CA7, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Lavender Gray #7E7F9A ΔE 0.025
- Purpley Grey #947E94 ΔE 0.042
- Faded Purple #916E99 ΔE 0.043
- Light Slate Gray #778899 ΔE 0.047
- Steel #738595 ΔE 0.048
- Silver Lake Blue #778DA9 ΔE 0.048
- Slate Gray #708090 ΔE 0.048
- Grey Purple #826D8C ΔE 0.050
Use #817CA7 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.