#817EA5
Closest named color: Lavender Gray (#7E7F9A). oklch(61% 0.059 288), rgb(129, 126, 165).
Aa
Black text reads best on this color (5.46:1).
About this color
#817EA5 is a medium-dark, muted purple. In OKLCH its lightness is 61%, its chroma 0.059 and its hue 288°. Its hue sits on the cool side of the wheel. The nearest named color is Lavender Gray (#7E7F9A), ΔE 0.019 away. Black text reads best on it, at 5.46:1.
| Hue family | Purples |
| Lightness | medium-dark (61%) |
| Chroma | muted (0.059) |
| Temperature | cool |
| Nearest name | Lavender Gray (#7E7F9A) |
| Black text | 5.46:1 |
| White text | 3.84:1 |
Values
| HEX | #817EA5 |
| RGB | rgb(129, 126, 165) |
| HSL | hsl(245, 18%, 57%) |
| OKLCH | oklch(61% 0.059 288) |
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 #817EA5 | 3.84:1 | AA large text | Lc -71.4 | Content text, not long reading |
| Black text on #817EA5 | 5.46:1 | AA | Lc 38.1 | Non-text elements, placeholder text |
| #817EA5 text on white | 3.84:1 | AA large text | Lc 65.9 | Content text, not long reading |
| #817EA5 text on black | 5.46:1 | AA | Lc -35.7 | 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 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
#D8D8E3
oklch(88.5% 0.015 286.1)
-
Step 300
300
#BFBED3
oklch(80.9% 0.029 287.9)
-
Step 400
400
#9F9DBC
oklch(70.8% 0.045 288.2)
-
Step 500
500 (this color)
#817EA5
oklch(61% 0.059 288)
-
Step 600
600
#716E97
oklch(55.7% 0.063 287.5)
-
Step 700
700
#5F5B81
oklch(49% 0.06 288.8)
-
Step 800
800
#4D4B69
oklch(42.7% 0.049 287.2)
-
Step 900
900
#403F55
oklch(37.8% 0.037 286.5)
-
Step 950
950
#262532
oklch(27.1% 0.024 288.2)
#817EA5 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) | #7483A7 | 0.021 |
| Deuteranopia (no green cones) | #7481A4 | 0.020 |
| Tritanopia (no blue cones) | #79848B | 0.050 |
| Achromatopsia (no color) | #828282 | 0.059 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #817EA5
#817EA5
oklch(61% 0.059 288)
- #86865D
#86865D
oklch(60.9% 0.058 108)
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 #817EA5, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Lavender Gray #7E7F9A ΔE 0.019
- Purpley Grey #947E94 ΔE 0.038
- Light Slate Gray #778899 ΔE 0.041
- Steel #738595 ΔE 0.041
- Silver Lake Blue #778DA9 ΔE 0.042
- Slate Gray #708090 ΔE 0.044
- Blue Grey #758DA3 ΔE 0.045
- Faded Purple #916E99 ΔE 0.046
Use #817EA5 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.