#816BD4
Closest named color: Medium Purple (#9370DB). oklch(59.8% 0.155 290.6), rgb(129, 107, 212).
Aa
Black text reads best on this color (4.98:1).
About this color
#816BD4 is a medium-dark, vivid purple. In OKLCH its lightness is 60%, its chroma 0.155 and its hue 291°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Medium Purple (#9370DB), ΔE 0.034 away. Black text reads best on it, at 4.98:1.
| Hue family | Purples |
| Lightness | medium-dark (60%) |
| Chroma | vivid (0.155) |
| Temperature | in between |
| Nearest name | Medium Purple (#9370DB) |
| Black text | 4.98:1 |
| White text | 4.21:1 |
Values
| HEX | #816BD4 |
| RGB | rgb(129, 107, 212) |
| HSL | hsl(253, 55%, 63%) |
| OKLCH | oklch(59.8% 0.155 290.6) |
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 #816BD4 | 4.21:1 | AA large text | Lc -74.3 | Content text, not long reading |
| Black text on #816BD4 | 4.98:1 | AA | Lc 35.2 | Non-text elements, placeholder text |
| #816BD4 text on white | 4.21:1 | AA large text | Lc 68.8 | Content text, not long reading |
| #816BD4 text on black | 4.98:1 | AA | Lc -32.8 | 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
#F5F4FC
oklch(97% 0.011 292)
-
Step 100
100
#E9E8F8
oklch(93.6% 0.021 288.9)
-
Step 200
200
#D8D5F4
oklch(88.5% 0.042 289.9)
-
Step 300
300
#C0B9EF
oklch(81% 0.076 290.5)
-
Step 400
400
#A092E7
oklch(70.6% 0.123 290.5)
-
Step 500
500 (this color)
#816BD4
oklch(59.8% 0.155 290.6)
-
Step 600
600
#765BCD
oklch(55.6% 0.169 290.8)
-
Step 700
700
#634AB1
oklch(49% 0.157 290.6)
-
Step 800
800
#513E90
oklch(42.8% 0.13 290.5)
-
Step 900
900
#423573
oklch(37.6% 0.103 290.2)
-
Step 950
950
#272043
oklch(27.1% 0.064 290.7)
#816BD4 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) | #417DD8 | 0.085 |
| Deuteranopia (no green cones) | #4479D2 | 0.081 |
| Tritanopia (no blue cones) | #6B8096 | 0.127 |
| Achromatopsia (no color) | #7B7B7B | 0.156 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #816BD4
#816BD4
oklch(59.8% 0.155 290.6)
- #848600
#848600
oklch(59.8% 0.131 110.8)
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 #816BD4, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Medium Purple #9370DB ΔE 0.034
- Medium Slate Blue #7B68EE ΔE 0.042
- Deep Lilac #966EBD ΔE 0.051
- Deep Lavender #8D5EB7 ΔE 0.052
- Dark Periwinkle #665FD1 ΔE 0.054
- Light Indigo #6D5ACF ΔE 0.055
- Purpley #8756E4 ΔE 0.055
- Amethyst #9B5FC0 ΔE 0.055
Use #816BD4 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.