#821640
Closest named color: Wine (#80013F). oklch(40.3% 0.144 3.7), rgb(130, 22, 64).
Aa
White text reads best on this color (9.82:1).
About this color
#821640 is a dark, vivid red. In OKLCH its lightness is 40%, its chroma 0.144 and its hue 4°. Its hue sits on the warm side of the wheel. The nearest named color is Wine (#80013F), ΔE 0.020 away. White text reads best on it, at 9.82:1.
| Hue family | Reds |
| Lightness | dark (40%) |
| Chroma | vivid (0.144) |
| Temperature | warm |
| Nearest name | Wine (#80013F) |
| Black text | 2.13:1 |
| White text | 9.82:1 |
Values
| HEX | #821640 |
| RGB | rgb(130, 22, 64) |
| HSL | hsl(337, 71%, 30%) |
| OKLCH | oklch(40.3% 0.144 3.7) |
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 #821640 | 9.82:1 | AAA | Lc -95.7 | Preferred for body text |
| Black text on #821640 | 2.13:1 | Fails | Lc 12.6 | Not readable |
| #821640 text on white | 9.82:1 | AAA | Lc 91.4 | Preferred for body text |
| #821640 text on black | 2.13:1 | Fails | Lc -11.0 | 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
#F9E3E8
oklch(93.5% 0.025 2.1)
-
Step 200
200
#F5CDD6
oklch(88.5% 0.046 2.9)
-
Step 300
300
#F0AABA
oklch(80.9% 0.084 4.1)
-
Step 400
400
#E57A97
oklch(70.7% 0.135 3.9)
-
Step 500
500
#DA537E
oklch(63.1% 0.173 3.7)
-
Step 600
600
#C53167
oklch(55.6% 0.187 3.8)
-
Step 700
700
#AA2156
oklch(49.2% 0.175 3.7)
-
Step 800
800 (this color)
#821640
oklch(40.3% 0.144 3.7)
-
Step 900
900
#6F213B
oklch(37.8% 0.112 3.8)
-
Step 950
950
#411523
oklch(27% 0.07 3.2)
#821640 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) | #323641 | 0.163 |
| Deuteranopia (no green cones) | #4F4B3D | 0.146 |
| Tritanopia (no blue cones) | #8E0029 | 0.041 |
| Achromatopsia (no color) | #434343 | 0.146 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #821640
#821640
oklch(40.3% 0.144 3.7)
- #00554D
#00554D
oklch(40.4% 0.072 184)
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 #821640, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Wine #80013F ΔE 0.020
- Red Purple #820747 ΔE 0.021
- Red Wine #8C0034 ΔE 0.027
- Bordeaux #7B002C ΔE 0.037
- Mulberry #920A4E ΔE 0.040
- Merlot #730039 ΔE 0.045
- Wine Red #7B0323 ΔE 0.046
- Purple Red #990147 ΔE 0.049
Use #821640 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.