#821B4C
Closest named color: Red Purple (#820747). oklch(41.2% 0.144 356.9), rgb(130, 27, 76).
Aa
White text reads best on this color (9.50:1).
About this color
#821B4C is a dark, vivid red. In OKLCH its lightness is 41%, its chroma 0.144 and its hue 357°. 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 9.50:1.
| Hue family | Reds |
| Lightness | dark (41%) |
| Chroma | vivid (0.144) |
| Temperature | warm |
| Nearest name | Red Purple (#820747) |
| Black text | 2.21:1 |
| White text | 9.50:1 |
Values
| HEX | #821B4C |
| RGB | rgb(130, 27, 76) |
| HSL | hsl(331, 66%, 31%) |
| OKLCH | oklch(41.2% 0.144 356.9) |
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 #821B4C | 9.50:1 | AAA | Lc -95.2 | Preferred for body text |
| Black text on #821B4C | 2.21:1 | Fails | Lc 13.2 | Not readable |
| #821B4C text on white | 9.50:1 | AAA | Lc 90.8 | Preferred for body text |
| #821B4C text on black | 2.21:1 | Fails | Lc -11.6 | 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
#FCF2F5
oklch(97% 0.011 357)
-
Step 100
100
#F8E4EA
oklch(93.7% 0.023 357.4)
-
Step 200
200
#F4CDD9
oklch(88.5% 0.046 357.6)
-
Step 300
300
#EEAAC1
oklch(80.9% 0.085 357.2)
-
Step 400
400
#E27BA2
oklch(70.8% 0.134 357)
-
Step 500
500
#D6548B
oklch(63.1% 0.172 356.9)
-
Step 600
600
#C13375
oklch(55.6% 0.186 356.8)
-
Step 700
700
#A62462
oklch(49.1% 0.173 357)
-
Step 800
800 (this color)
#821B4C
oklch(41.2% 0.144 356.9)
-
Step 900
900
#6D2242
oklch(37.8% 0.111 357.5)
-
Step 950
950
#401527
oklch(27% 0.071 356.8)
#821B4C 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) | #31394D | 0.162 |
| Deuteranopia (no green cones) | #4D4D4A | 0.145 |
| Tritanopia (no blue cones) | #8D0B31 | 0.047 |
| Achromatopsia (no color) | #464646 | 0.145 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #821B4C
#821B4C
oklch(41.2% 0.144 356.9)
- #00584A
#00584A
oklch(41.2% 0.076 177)
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 #821B4C, 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 0.029
- Mulberry #920A4E ΔE 0.034
- Red Wine #8C0034 ΔE 0.042
- Velvet #750851 ΔE 0.044
- Berry #990F4B ΔE 0.048
- Purple Red #990147 ΔE 0.048
- Merlot #730039 ΔE 0.053
Use #821B4C 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.