#81399C
Closest named color: Warm Purple (#952E8F). oklch(48.4% 0.164 315.6), rgb(129, 57, 156).
Aa
White text reads best on this color (7.00:1).
About this color
#81399C is a medium-dark, vivid purple. In OKLCH its lightness is 48%, its chroma 0.164 and its hue 316°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Warm Purple (#952E8F), ΔE 0.046 away. White text reads best on it, at 7.00:1.
| Hue family | Purples |
| Lightness | medium-dark (48%) |
| Chroma | vivid (0.164) |
| Temperature | in between |
| Nearest name | Warm Purple (#952E8F) |
| Black text | 2.99:1 |
| White text | 7.00:1 |
Values
| HEX | #81399C |
| RGB | rgb(129, 57, 156) |
| HSL | hsl(284, 46%, 42%) |
| OKLCH | oklch(48.4% 0.164 315.6) |
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 #81399C | 7.00:1 | AAA | Lc -88.6 | Fine for body text |
| Black text on #81399C | 2.99:1 | Fails | Lc 20.4 | Dividers and decoration only |
| #81399C text on white | 7.00:1 | AAA | Lc 83.7 | Fine for body text |
| #81399C text on black | 2.99:1 | Fails | Lc -18.3 | Dividers and decoration only |
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 700.
-
Step 50
50
#F8F3FA
oklch(97% 0.011 316.5)
-
Step 100
100
#F0E6F5
oklch(93.7% 0.023 314.7)
-
Step 200
200
#E5D1ED
oklch(88.5% 0.043 316.4)
-
Step 300
300
#D5B1E4
oklch(80.9% 0.08 315.9)
-
Step 400
400
#BF87D6
oklch(70.7% 0.127 315.7)
-
Step 500
500
#AE66CB
oklch(63% 0.163 315.5)
-
Step 600
600
#9A4BB8
oklch(55.7% 0.176 315.7)
-
Step 700
700 (this color)
#81399C
oklch(48.4% 0.164 315.6)
-
Step 800
800
#6B3280
oklch(42.8% 0.135 316)
-
Step 900
900
#572D67
oklch(37.8% 0.105 315.9)
-
Step 950
950
#331B3C
oklch(27% 0.066 316.2)
#81399C 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) | #17559F | 0.154 |
| Deuteranopia (no green cones) | #385B9A | 0.134 |
| Tritanopia (no blue cones) | #7F4B65 | 0.107 |
| Achromatopsia (no color) | #595959 | 0.165 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #81399C
#81399C
oklch(48.4% 0.164 315.6)
- #356F00
#356F00
oklch(48.3% 0.143 135.6)
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 #81399C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Warm Purple #952E8F ΔE 0.046
- Light Eggplant #894585 ΔE 0.054
- Rebecca Purple #663399 ΔE 0.056
- Purply #983FB2 ΔE 0.057
- Dark Magenta #8B008B ΔE 0.069
- Purple #800080 ΔE 0.080
- Grape #7209B7 ΔE 0.084
- Dark Orchid #9932CC ΔE 0.086
Use #81399C 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.