#870B40
Closest named color: Red Purple (#820747). oklch(40.7% 0.156 3.8), rgb(135, 11, 64).
Aa
White text reads best on this color (9.75:1).
About this color
#870B40 is a dark, vivid red. In OKLCH its lightness is 41%, its chroma 0.156 and its hue 4°. Its hue sits on the warm side of the wheel. The nearest named color is Red Purple (#820747), ΔE 0.019 away. White text reads best on it, at 9.75:1.
| Hue family | Reds |
| Lightness | dark (41%) |
| Chroma | vivid (0.156) |
| Temperature | warm |
| Nearest name | Red Purple (#820747) |
| Black text | 2.15:1 |
| White text | 9.75:1 |
Values
| HEX | #870B40 |
| RGB | rgb(135, 11, 64) |
| HSL | hsl(334, 85%, 29%) |
| OKLCH | oklch(40.7% 0.156 3.8) |
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 #870B40 | 9.75:1 | AAA | Lc -95.2 | Preferred for body text |
| Black text on #870B40 | 2.15:1 | Fails | Lc 13.1 | Not readable |
| #870B40 text on white | 9.75:1 | AAA | Lc 90.8 | Preferred for body text |
| #870B40 text on black | 2.15:1 | 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
#FDF2F4
oklch(97% 0.012 4.7)
-
Step 100
100
#FAE3E8
oklch(93.6% 0.026 2.8)
-
Step 200
200
#F8CCD5
oklch(88.6% 0.051 4.4)
-
Step 300
300
#F3A8BA
oklch(80.8% 0.091 3.6)
-
Step 400
400
#EA7696
oklch(70.7% 0.146 4)
-
Step 500
500
#DF4C7D
oklch(63.1% 0.186 3.7)
-
Step 600
600
#CB2466
oklch(55.7% 0.203 3.9)
-
Step 700
700
#AF1255
oklch(49.2% 0.189 3.8)
-
Step 800
800 (this color)
#870B40
oklch(40.7% 0.156 3.8)
-
Step 900
900
#721C3A
oklch(37.7% 0.121 4)
-
Step 950
950
#431222
oklch(26.9% 0.077 3.8)
#870B40 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) | #303541 | 0.178 |
| Deuteranopia (no green cones) | #504C3D | 0.159 |
| Tritanopia (no blue cones) | #940026 | 0.047 |
| Achromatopsia (no color) | #444444 | 0.158 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #870B40
#870B40
oklch(40.7% 0.156 3.8)
- #00564E
#00564E
oklch(40.7% 0.072 184.1)
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 #870B40, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Red Purple #820747 ΔE 0.019
- Wine #80013F ΔE 0.020
- Red Wine #8C0034 ΔE 0.021
- Mulberry #920A4E ΔE 0.032
- Purple Red #990147 ΔE 0.039
- Bordeaux #7B002C ΔE 0.040
- Berry #990F4B ΔE 0.042
- Merlot #730039 ΔE 0.049
Use #870B40 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.