#817DBE
Closest named color: Deep Lilac (#966EBD). oklch(62% 0.097 286), rgb(129, 125, 190).
Aa
Black text reads best on this color (5.61:1).
About this color
#817DBE is a medium-dark, moderately saturated purple. In OKLCH its lightness is 62%, its chroma 0.097 and its hue 286°. Its hue sits on the cool side of the wheel. The nearest named color is Deep Lilac (#966EBD), ΔE 0.048 away. Black text reads best on it, at 5.61:1.
| Hue family | Purples |
| Lightness | medium-dark (62%) |
| Chroma | moderately saturated (0.097) |
| Temperature | cool |
| Nearest name | Deep Lilac (#966EBD) |
| Black text | 5.61:1 |
| White text | 3.74:1 |
Values
| HEX | #817DBE |
| RGB | rgb(129, 125, 190) |
| HSL | hsl(244, 33%, 62%) |
| OKLCH | oklch(62% 0.097 286) |
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 #817DBE | 3.74:1 | AA large text | Lc -70.4 | Content text, not long reading |
| Black text on #817DBE | 5.61:1 | AA | Lc 39.1 | Non-text elements, placeholder text |
| #817DBE text on white | 3.74:1 | AA large text | Lc 64.9 | Content text, not long reading |
| #817DBE text on black | 5.61:1 | AA | Lc -36.7 | 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
#F5F5FA
oklch(97.2% 0.007 286.3)
-
Step 100
100
#E9E9F3
oklch(93.7% 0.013 286.1)
-
Step 200
200
#D7D7EA
oklch(88.5% 0.026 285.9)
-
Step 300
300
#BDBDDF
oklch(80.9% 0.048 285.3)
-
Step 400
400
#9C9ACE
oklch(70.7% 0.075 286.1)
-
Step 500
500 (this color)
#817DBE
oklch(62% 0.097 286)
-
Step 600
600
#6E69AE
oklch(55.6% 0.106 285.7)
-
Step 700
700
#5C5796
oklch(49% 0.099 285.7)
-
Step 800
800
#4B4879
oklch(42.7% 0.08 285.3)
-
Step 900
900
#3F3C62
oklch(37.7% 0.064 286.5)
-
Step 950
950
#252339
oklch(26.9% 0.041 287.5)
#817DBE 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) | #6A86C1 | 0.036 |
| Deuteranopia (no green cones) | #6882BC | 0.036 |
| Tritanopia (no blue cones) | #728995 | 0.083 |
| Achromatopsia (no color) | #848484 | 0.097 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #817DBE
#817DBE
oklch(62% 0.097 286)
- #8E8A3F
#8E8A3F
oklch(62.1% 0.097 106.1)
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 #817DBE, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Deep Lilac #966EBD ΔE 0.048
- Faded Blue #658CBB ΔE 0.053
- Lavender Gray #7E7F9A ΔE 0.058
- Dark Lilac #9C6DA5 ΔE 0.061
- Wisteria #A87DC2 ΔE 0.061
- Faded Purple #916E99 ΔE 0.063
- Silver Lake Blue #778DA9 ΔE 0.063
- Dusty Blue #5A86AD ΔE 0.064
Use #817DBE 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.