#817399
Closest named color: Grey Purple (#826D8C). oklch(58.2% 0.059 301.4), rgb(129, 115, 153).
Aa
Black text reads best on this color (4.84:1).
About this color
#817399 is a medium-dark, muted purple. In OKLCH its lightness is 58%, its chroma 0.059 and its hue 301°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Grey Purple (#826D8C), ΔE 0.022 away. Black text reads best on it, at 4.84:1.
| Hue family | Purples |
| Lightness | medium-dark (58%) |
| Chroma | muted (0.059) |
| Temperature | in between |
| Nearest name | Grey Purple (#826D8C) |
| Black text | 4.84:1 |
| White text | 4.33:1 |
Values
| HEX | #817399 |
| RGB | rgb(129, 115, 153) |
| HSL | hsl(262, 16%, 53%) |
| OKLCH | oklch(58.2% 0.059 301.4) |
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 #817399 | 4.33:1 | AA large text | Lc -75.5 | Fine for body text |
| Black text on #817399 | 4.84:1 | AA | Lc 34.1 | Non-text elements, placeholder text |
| #817399 text on white | 4.33:1 | AA large text | Lc 70.0 | Content text, not long reading |
| #817399 text on black | 4.84:1 | AA | Lc -31.7 | 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 600.
-
Step 50
50
#F6F5F7
oklch(97.1% 0.003 308.4)
-
Step 100
100
#EBE9EE
oklch(93.7% 0.007 304.2)
-
Step 200
200
#DBD7E2
oklch(88.6% 0.016 302.5)
-
Step 300
300
#C3BDD0
oklch(80.9% 0.027 300.2)
-
Step 400
400
#A59BB8
oklch(70.8% 0.043 301)
-
Step 500
500
#8F82A6
oklch(63.1% 0.055 301.3)
-
Step 600
600 (this color)
#817399
oklch(58.2% 0.059 301.4)
-
Step 700
700
#66597B
oklch(49% 0.056 301.9)
-
Step 800
800
#534964
oklch(42.6% 0.046 301.4)
-
Step 900
900
#453D52
oklch(37.7% 0.037 302.1)
-
Step 950
950
#282430
oklch(27% 0.023 300.1)
#817399 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) | #6C799B | 0.033 |
| Deuteranopia (no green cones) | #6E7998 | 0.032 |
| Tritanopia (no blue cones) | #7D7880 | 0.046 |
| Achromatopsia (no color) | #797979 | 0.060 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #817399
#817399
oklch(58.2% 0.059 301.4)
- #758159
#758159
oklch(58.3% 0.06 121.8)
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 #817399, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Grey Purple #826D8C ΔE 0.022
- Faded Purple #916E99 ΔE 0.028
- Purple Grey #866F85 ΔE 0.030
- Dark Lavender #856798 ΔE 0.033
- Lavender Gray #7E7F9A ΔE 0.033
- Purpley Grey #947E94 ΔE 0.047
- Slate Gray #708090 ΔE 0.049
- Dark Lilac #9C6DA5 ΔE 0.051
Use #817399 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.