#870644
Closest named color: Red Purple (#820747). oklch(40.6% 0.16 1), rgb(135, 6, 68).
Aa
White text reads best on this color (9.81:1).
About this color
#870644 is a dark, vivid red. In OKLCH its lightness is 41%, its chroma 0.160 and its hue 1°. Its hue sits on the warm side of the wheel. The nearest named color is Red Purple (#820747), ΔE 0.013 away. White text reads best on it, at 9.81:1.
| Hue family | Reds |
| Lightness | dark (41%) |
| Chroma | vivid (0.160) |
| Temperature | warm |
| Nearest name | Red Purple (#820747) |
| Black text | 2.13:1 |
| White text | 9.81:1 |
Values
| HEX | #870644 |
| RGB | rgb(135, 6, 68) |
| HSL | hsl(331, 91%, 28%) |
| OKLCH | oklch(40.6% 0.16 1) |
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 #870644 | 9.81:1 | AAA | Lc -95.2 | Preferred for body text |
| Black text on #870644 | 2.13:1 | Fails | Lc 13.2 | Not readable |
| #870644 text on white | 9.81:1 | AAA | Lc 90.8 | Preferred for body text |
| #870644 text on black | 2.13:1 | Fails | Lc -11.5 | 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
#FDF2F5
oklch(97.1% 0.012 358.8)
-
Step 100
100
#FBE3E9
oklch(93.7% 0.027 0.7)
-
Step 200
200
#F8CCD7
oklch(88.6% 0.052 1.5)
-
Step 300
300
#F4A7BD
oklch(80.9% 0.094 0.8)
-
Step 400
400
#EA759B
oklch(70.7% 0.149 1.1)
-
Step 500
500
#E04982
oklch(63.1% 0.192 1.2)
-
Step 600
600
#CB206C
oklch(55.6% 0.208 1.1)
-
Step 700
700
#AF0B5A
oklch(49.1% 0.194 1.1)
-
Step 800
800 (this color)
#870644
oklch(40.6% 0.16 1)
-
Step 900
900
#721A3E
oklch(37.6% 0.125 0.5)
-
Step 950
950
#431124
oklch(26.9% 0.079 0.6)
#870644 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) | #2E3445 | 0.182 |
| Deuteranopia (no green cones) | #4F4C41 | 0.163 |
| Tritanopia (no blue cones) | #930027 | 0.052 |
| Achromatopsia (no color) | #444444 | 0.161 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #870644
#870644
oklch(40.6% 0.16 1)
- #00564B
#00564B
oklch(40.6% 0.074 180.3)
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 #870644, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Red Purple #820747 ΔE 0.013
- Wine #80013F ΔE 0.018
- Red Wine #8C0034 ΔE 0.028
- Mulberry #920A4E ΔE 0.028
- Purple Red #990147 ΔE 0.039
- Berry #990F4B ΔE 0.042
- Bordeaux #7B002C ΔE 0.045
- Velvet #750851 ΔE 0.048
Use #870644 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.