#851B83
Closest named color: Dark Magenta (#8B008B). oklch(44.4% 0.181 328.9), rgb(133, 27, 131).
Aa
White text reads best on this color (8.46:1).
About this color
#851B83 is a dark, vivid purple. In OKLCH its lightness is 44%, its chroma 0.181 and its hue 329°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Magenta (#8B008B), ΔE 0.025 away. White text reads best on it, at 8.46:1.
| Hue family | Purples |
| Lightness | dark (44%) |
| Chroma | vivid (0.181) |
| Temperature | in between |
| Nearest name | Dark Magenta (#8B008B) |
| Black text | 2.48:1 |
| White text | 8.46:1 |
Values
| HEX | #851B83 |
| RGB | rgb(133, 27, 131) |
| HSL | hsl(301, 66%, 31%) |
| OKLCH | oklch(44.4% 0.181 328.9) |
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 #851B83 | 8.46:1 | AAA | Lc -92.5 | Preferred for body text |
| Black text on #851B83 | 2.48:1 | Fails | Lc 16.2 | Dividers and decoration only |
| #851B83 text on white | 8.46:1 | AAA | Lc 87.8 | Fine for body text |
| #851B83 text on black | 2.48:1 | Fails | Lc -14.3 | Not readable |
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 800.
-
Step 50
50
#FBF2FA
oklch(97% 0.014 329.1)
-
Step 100
100
#F6E3F4
oklch(93.6% 0.03 329.1)
-
Step 200
200
#F0CCEC
oklch(88.5% 0.058 329.7)
-
Step 300
300
#E7A8E2
oklch(80.9% 0.105 329.2)
-
Step 400
400
#D876D4
oklch(70.7% 0.168 328.7)
-
Step 500
500
#CC4BC8
oklch(63.2% 0.216 329)
-
Step 600
600
#B721B4
oklch(55.6% 0.234 329.1)
-
Step 700
700
#9D0D9B
oklch(49.1% 0.218 329)
-
Step 800
800 (this color)
#851B83
oklch(44.4% 0.181 328.9)
-
Step 900
900
#671B65
oklch(37.7% 0.141 329)
-
Step 950
950
#3D123B
oklch(27.1% 0.089 329.6)
#851B83 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) | #024486 | 0.197 |
| Deuteranopia (no green cones) | #3B5280 | 0.165 |
| Tritanopia (no blue cones) | #8A2C4F | 0.099 |
| Achromatopsia (no color) | #4D4D4D | 0.182 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #851B83
#851B83
oklch(44.4% 0.181 328.9)
- #006628
#006628
oklch(44.5% 0.126 148.8)
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 #851B83, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Magenta #8B008B ΔE 0.025
- Purple #800080 ΔE 0.027
- Warm Purple #952E8F ΔE 0.049
- Red Violet #9E0168 ΔE 0.070
- Light Eggplant #894585 ΔE 0.078
- Rebecca Purple #663399 ΔE 0.078
- Rich Purple #720058 ΔE 0.084
- Deep Magenta #A0025C ΔE 0.087
Use #851B83 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.