#821057
Closest named color: Red Purple (#820747). oklch(40.8% 0.159 349.1), rgb(130, 16, 87).
Aa
White text reads best on this color (9.71:1).
About this color
#821057 is a dark, vivid red. In OKLCH its lightness is 41%, its chroma 0.159 and its hue 349°. Its hue sits on the warm side of the wheel. The nearest named color is Red Purple (#820747), ΔE 0.026 away. White text reads best on it, at 9.71:1.
| Hue family | Reds |
| Lightness | dark (41%) |
| Chroma | vivid (0.159) |
| Temperature | warm |
| Nearest name | Red Purple (#820747) |
| Black text | 2.16:1 |
| White text | 9.71:1 |
Values
| HEX | #821057 |
| RGB | rgb(130, 16, 87) |
| HSL | hsl(323, 78%, 29%) |
| OKLCH | oklch(40.8% 0.159 349.1) |
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 #821057 | 9.71:1 | AAA | Lc -95.3 | Preferred for body text |
| Black text on #821057 | 2.16:1 | Fails | Lc 13.0 | Not readable |
| #821057 text on white | 9.71:1 | AAA | Lc 91.0 | Preferred for body text |
| #821057 text on black | 2.16:1 | Fails | Lc -11.4 | 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
#FCF2F7
oklch(97% 0.013 345.5)
-
Step 100
100
#F9E3ED
oklch(93.6% 0.027 348.3)
-
Step 200
200
#F5CCDE
oklch(88.5% 0.052 350)
-
Step 300
300
#EFA8CA
oklch(80.9% 0.094 349.1)
-
Step 400
400
#E377AF
oklch(70.8% 0.148 349.2)
-
Step 500
500
#D84D9B
oklch(63.1% 0.19 349.2)
-
Step 600
600
#C32886
oklch(55.7% 0.206 349.1)
-
Step 700
700
#A81771
oklch(49.2% 0.192 349.4)
-
Step 800
800 (this color)
#821057
oklch(40.8% 0.159 349.1)
-
Step 900
900
#6E1D4C
oklch(37.8% 0.124 349)
-
Step 950
950
#41132C
oklch(27.1% 0.078 349.9)
#821057 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) | #273859 | 0.179 |
| Deuteranopia (no green cones) | #484B55 | 0.156 |
| Tritanopia (no blue cones) | #8C0533 | 0.063 |
| Achromatopsia (no color) | #444444 | 0.160 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #821057
#821057
oklch(40.8% 0.159 349.1)
- #005842
#005842
oklch(40.9% 0.082 168.6)
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 #821057, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Red Purple #820747 ΔE 0.026
- Velvet #750851 ΔE 0.032
- Mulberry #920A4E ΔE 0.039
- Wine #80013F ΔE 0.039
- Rich Purple #720058 ΔE 0.043
- Berry #990F4B ΔE 0.057
- Purple Red #990147 ΔE 0.057
- Dark Fuchsia #9D0759 ΔE 0.057
Use #821057 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.