#8B0664
Closest named color: Red Violet (#9E0168). oklch(42.7% 0.177 345.2), rgb(139, 6, 100).
Aa
White text reads best on this color (9.09:1).
About this color
#8B0664 is a dark, vivid red. In OKLCH its lightness is 43%, its chroma 0.177 and its hue 345°. Its hue sits on the warm side of the wheel. The nearest named color is Red Violet (#9E0168), ΔE 0.041 away. White text reads best on it, at 9.09:1.
| Hue family | Reds |
| Lightness | dark (43%) |
| Chroma | vivid (0.177) |
| Temperature | warm |
| Nearest name | Red Violet (#9E0168) |
| Black text | 2.30:1 |
| White text | 9.09:1 |
Values
| HEX | #8B0664 |
| RGB | rgb(139, 6, 100) |
| HSL | hsl(318, 92%, 28%) |
| OKLCH | oklch(42.7% 0.177 345.2) |
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 #8B0664 | 9.09:1 | AAA | Lc -93.5 | Preferred for body text |
| Black text on #8B0664 | 2.30:1 | Fails | Lc 15.0 | Dividers and decoration only |
| #8B0664 text on white | 9.09:1 | AAA | Lc 89.0 | Fine for body text |
| #8B0664 text on black | 2.30:1 | Fails | Lc -13.2 | 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
#FDF2F7
oklch(97.1% 0.013 347.9)
-
Step 100
100
#FAE2EE
oklch(93.6% 0.031 346)
-
Step 200
200
#F6CBE2
oklch(88.6% 0.057 344.9)
-
Step 300
300
#F1A5D0
oklch(80.8% 0.104 344.7)
-
Step 400
400
#E771B8
oklch(70.8% 0.167 345.1)
-
Step 500
500
#DC43A6
oklch(63.2% 0.212 345.2)
-
Step 600
600
#C70F91
oklch(55.7% 0.23 345.2)
-
Step 700
700
#AA007A
oklch(49.1% 0.209 345.5)
-
Step 800
800 (this color)
#8B0664
oklch(42.7% 0.177 345.2)
-
Step 900
900
#701652
oklch(37.7% 0.138 345)
-
Step 950
950
#420F30
oklch(26.9% 0.088 344.9)
#8B0664 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) | #213B66 | 0.202 |
| Deuteranopia (no green cones) | #495061 | 0.174 |
| Tritanopia (no blue cones) | #950139 | 0.076 |
| Achromatopsia (no color) | #484848 | 0.179 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #8B0664
#8B0664
oklch(42.7% 0.177 345.2)
- #005E43
#005E43
oklch(42.7% 0.089 165.5)
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 #8B0664, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Red Violet #9E0168 ΔE 0.041
- Mulberry #920A4E ΔE 0.043
- Dark Fuchsia #9D0759 ΔE 0.046
- Deep Magenta #A0025C ΔE 0.049
- Red Purple #820747 ΔE 0.051
- Velvet #750851 ΔE 0.055
- Purple #800080 ΔE 0.057
- Berry #990F4B ΔE 0.058
Use #8B0664 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.