#817EA9
Closest named color: Lavender Gray (#7E7F9A). oklch(61.2% 0.065 287.5), rgb(129, 126, 169).
Aa
Black text reads best on this color (5.49:1).
About this color
#817EA9 is a medium-dark, muted purple. In OKLCH its lightness is 61%, its chroma 0.065 and its hue 288°. 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 5.49:1.
| Hue family | Purples |
| Lightness | medium-dark (61%) |
| Chroma | muted (0.065) |
| Temperature | cool |
| Nearest name | Lavender Gray (#7E7F9A) |
| Black text | 5.49:1 |
| White text | 3.82:1 |
Values
| HEX | #817EA9 |
| RGB | rgb(129, 126, 169) |
| HSL | hsl(244, 20%, 58%) |
| OKLCH | oklch(61.2% 0.065 287.5) |
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 #817EA9 | 3.82:1 | AA large text | Lc -71.2 | Content text, not long reading |
| Black text on #817EA9 | 5.49:1 | AA | Lc 38.3 | Non-text elements, placeholder text |
| #817EA9 text on white | 3.82:1 | AA large text | Lc 65.7 | Content text, not long reading |
| #817EA9 text on black | 5.49:1 | AA | Lc -35.9 | 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
#F5F5F8
oklch(97.1% 0.004 286.3)
-
Step 100
100
#E9E9F0
oklch(93.6% 0.009 286.2)
-
Step 200
200
#D8D8E4
oklch(88.6% 0.016 286.1)
-
Step 300
300
#BFBED5
oklch(81% 0.032 287.7)
-
Step 400
400
#9E9CBF
oklch(70.6% 0.051 287.6)
-
Step 500
500 (this color)
#817EA9
oklch(61.2% 0.065 287.5)
-
Step 600
600
#716D9B
oklch(55.7% 0.071 287.8)
-
Step 700
700
#5E5B84
oklch(49.1% 0.065 287.1)
-
Step 800
800
#4D4A6B
oklch(42.6% 0.054 288)
-
Step 900
900
#403E57
oklch(37.7% 0.042 287.8)
-
Step 950
950
#252433
oklch(26.8% 0.028 287.4)
#817EA9 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) | #7383AB | 0.022 |
| Deuteranopia (no green cones) | #7281A8 | 0.022 |
| Tritanopia (no blue cones) | #78858D | 0.055 |
| Achromatopsia (no color) | #828282 | 0.065 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #817EA9
#817EA9
oklch(61.2% 0.065 287.5)
- #878759
#878759
oklch(61.2% 0.065 108.2)
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 #817EA9, 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
- Silver Lake Blue #778DA9 ΔE 0.043
- Light Slate Gray #778899 ΔE 0.045
- Steel #738595 ΔE 0.046
- Faded Purple #916E99 ΔE 0.047
- Blue Grey #758DA3 ΔE 0.048
- Slate Gray #708090 ΔE 0.049
Use #817EA9 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.