#816BCC
Closest named color: Medium Purple (#9370DB). oklch(59.3% 0.144 291.8), rgb(129, 107, 204).
Aa
Black text reads best on this color (4.90:1).
About this color
#816BCC is a medium-dark, vivid purple. In OKLCH its lightness is 59%, its chroma 0.144 and its hue 292°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Medium Purple (#9370DB), ΔE 0.039 away. Black text reads best on it, at 4.90:1.
| Hue family | Purples |
| Lightness | medium-dark (59%) |
| Chroma | vivid (0.144) |
| Temperature | in between |
| Nearest name | Medium Purple (#9370DB) |
| Black text | 4.90:1 |
| White text | 4.27:1 |
Values
| HEX | #816BCC |
| RGB | rgb(129, 107, 204) |
| HSL | hsl(254, 49%, 61%) |
| OKLCH | oklch(59.3% 0.144 291.8) |
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 #816BCC | 4.27:1 | AA large text | Lc -74.9 | Content text, not long reading |
| Black text on #816BCC | 4.90:1 | AA | Lc 34.7 | Non-text elements, placeholder text |
| #816BCC text on white | 4.27:1 | AA large text | Lc 69.4 | Content text, not long reading |
| #816BCC text on black | 4.90:1 | AA | Lc -32.3 | 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 600.
-
Step 50
50
#F5F4FB
oklch(97% 0.009 292.8)
-
Step 100
100
#EAE8F6
oklch(93.7% 0.019 292.6)
-
Step 200
200
#D9D5F0
oklch(88.4% 0.037 292.4)
-
Step 300
300
#C1BAE8
oklch(81% 0.065 291.9)
-
Step 400
400
#A295DC
oklch(70.8% 0.103 292)
-
Step 500
500
#8C79D3
oklch(63.2% 0.133 291.8)
-
Step 600
600 (this color)
#816BCC
oklch(59.3% 0.144 291.8)
-
Step 700
700
#644FA5
oklch(49.1% 0.133 292)
-
Step 800
800
#514186
oklch(42.7% 0.111 291.7)
-
Step 900
900
#43386B
oklch(37.8% 0.085 291.7)
-
Step 950
950
#27213F
oklch(27% 0.055 291.5)
#816BCC 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) | #487CCF | 0.080 |
| Deuteranopia (no green cones) | #4B78CA | 0.075 |
| Tritanopia (no blue cones) | #6E7E92 | 0.118 |
| Achromatopsia (no color) | #7A7A7A | 0.145 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #816BCC
#816BCC
oklch(59.3% 0.144 291.8)
- #818500
#818500
oklch(59.3% 0.131 111.9)
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 #816BCC, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Medium Purple #9370DB ΔE 0.039
- Deep Lilac #966EBD ΔE 0.043
- Deep Lavender #8D5EB7 ΔE 0.044
- Amethyst #9B5FC0 ΔE 0.051
- Medium Slate Blue #7B68EE ΔE 0.054
- Dark Periwinkle #665FD1 ΔE 0.055
- Light Indigo #6D5ACF ΔE 0.056
- Slate Blue #6A5ACD ΔE 0.059
Use #816BCC 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.