#817BC2
Closest named color: Deep Lilac (#966EBD). oklch(61.8% 0.106 286.7), rgb(129, 123, 194).
Aa
Black text reads best on this color (5.54:1).
About this color
#817BC2 is a medium-dark, moderately saturated purple. In OKLCH its lightness is 62%, its chroma 0.106 and its hue 287°. Its hue sits on the cool side of the wheel. The nearest named color is Deep Lilac (#966EBD), ΔE 0.043 away. Black text reads best on it, at 5.54:1.
| Hue family | Purples |
| Lightness | medium-dark (62%) |
| Chroma | moderately saturated (0.106) |
| Temperature | cool |
| Nearest name | Deep Lilac (#966EBD) |
| Black text | 5.54:1 |
| White text | 3.78:1 |
Values
| HEX | #817BC2 |
| RGB | rgb(129, 123, 194) |
| HSL | hsl(245, 37%, 62%) |
| OKLCH | oklch(61.8% 0.106 286.7) |
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 #817BC2 | 3.78:1 | AA large text | Lc -70.8 | Content text, not long reading |
| Black text on #817BC2 | 5.54:1 | AA | Lc 38.7 | Non-text elements, placeholder text |
| #817BC2 text on white | 3.78:1 | AA large text | Lc 65.3 | Content text, not long reading |
| #817BC2 text on black | 5.54:1 | AA | Lc -36.3 | 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
#E9E9F4
oklch(93.7% 0.015 286.1)
-
Step 200
200
#D7D7EC
oklch(88.6% 0.029 285.8)
-
Step 300
300
#BDBCE1
oklch(80.8% 0.052 286.4)
-
Step 400
400
#9C99D2
oklch(70.6% 0.083 286.5)
-
Step 500
500 (this color)
#817BC2
oklch(61.8% 0.106 286.7)
-
Step 600
600
#6F67B3
oklch(55.5% 0.116 286.8)
-
Step 700
700
#5D569A
oklch(49.2% 0.107 286.5)
-
Step 800
800
#4C467D
oklch(42.6% 0.089 287)
-
Step 900
900
#3F3B64
oklch(37.6% 0.069 287)
-
Step 950
950
#25233B
oklch(27% 0.044 286.9)
#817BC2 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) | #6585C5 | 0.043 |
| Deuteranopia (no green cones) | #6481C0 | 0.041 |
| Tritanopia (no blue cones) | #718895 | 0.091 |
| Achromatopsia (no color) | #838383 | 0.106 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #817BC2
#817BC2
oklch(61.8% 0.106 286.7)
- #8D8935
#8D8935
oklch(61.6% 0.106 106.5)
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 #817BC2, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Deep Lilac #966EBD ΔE 0.043
- Medium Purple #9370DB ΔE 0.057
- Faded Blue #658CBB ΔE 0.059
- Wisteria #A87DC2 ΔE 0.062
- Dark Lilac #9C6DA5 ΔE 0.062
- Soft Purple #A66FB5 ΔE 0.064
- Faded Purple #916E99 ΔE 0.066
- Lavender Gray #7E7F9A ΔE 0.066
Use #817BC2 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.