#817DA0
Closest named color: Lavender Gray (#7E7F9A). oklch(60.6% 0.053 290), rgb(129, 125, 160).
Aa
Black text reads best on this color (5.37:1).
About this color
#817DA0 is a medium-dark, muted purple. In OKLCH its lightness is 61%, its chroma 0.053 and its hue 290°. Its hue sits on the cool side of the wheel. The nearest named color is Lavender Gray (#7E7F9A), ΔE 0.013 away. Black text reads best on it, at 5.37:1.
| Hue family | Purples |
| Lightness | medium-dark (61%) |
| Chroma | muted (0.053) |
| Temperature | cool |
| Nearest name | Lavender Gray (#7E7F9A) |
| Black text | 5.37:1 |
| White text | 3.90:1 |
Values
| HEX | #817DA0 |
| RGB | rgb(129, 125, 160) |
| HSL | hsl(247, 16%, 56%) |
| OKLCH | oklch(60.6% 0.053 290) |
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 #817DA0 | 3.90:1 | AA large text | Lc -72.0 | Content text, not long reading |
| Black text on #817DA0 | 5.37:1 | AA | Lc 37.6 | Non-text elements, placeholder text |
| #817DA0 text on white | 3.90:1 | AA large text | Lc 66.5 | Content text, not long reading |
| #817DA0 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
#E9E9EF
oklch(93.6% 0.008 286.2)
-
Step 200
200
#D9D8E2
oklch(88.6% 0.014 290.7)
-
Step 300
300
#C0BED1
oklch(80.9% 0.027 290.6)
-
Step 400
400
#A09DB9
oklch(70.8% 0.041 290.2)
-
Step 500
500 (this color)
#817DA0
oklch(60.6% 0.053 290)
-
Step 600
600
#726E93
oklch(55.6% 0.057 289.4)
-
Step 700
700
#605C7D
oklch(49.2% 0.052 289.9)
-
Step 800
800
#4E4B66
oklch(42.7% 0.044 289.5)
-
Step 900
900
#413F53
oklch(37.8% 0.034 289.2)
-
Step 950
950
#262531
oklch(27.1% 0.022 288.6)
#817DA0 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) | #7581A2 | 0.019 |
| Deuteranopia (no green cones) | #75809F | 0.019 |
| Tritanopia (no blue cones) | #7B8389 | 0.045 |
| Achromatopsia (no color) | #818181 | 0.053 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #817DA0
#817DA0
oklch(60.6% 0.053 290)
- #848560
#848560
oklch(60.6% 0.053 109.2)
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 #817DA0, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Lavender Gray #7E7F9A ΔE 0.013
- Purpley Grey #947E94 ΔE 0.034
- Steel #738595 ΔE 0.038
- Light Slate Gray #778899 ΔE 0.038
- Slate Gray #708090 ΔE 0.039
- Silver Lake Blue #778DA9 ΔE 0.044
- Faded Purple #916E99 ΔE 0.044
- Blue Grey #758DA3 ΔE 0.045
Use #817DA0 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.