#831645
Closest named color: Red Purple (#820747). oklch(40.7% 0.147 0.9), rgb(131, 22, 69).
Aa
White text reads best on this color (9.69:1).
About this color
#831645 is a dark, vivid red. In OKLCH its lightness is 41%, its chroma 0.147 and its hue 1°. Its hue sits on the warm side of the wheel. The nearest named color is Red Purple (#820747), ΔE 0.016 away. White text reads best on it, at 9.69:1.
| Hue family | Reds |
| Lightness | dark (41%) |
| Chroma | vivid (0.147) |
| Temperature | warm |
| Nearest name | Red Purple (#820747) |
| Black text | 2.16:1 |
| White text | 9.69:1 |
Values
| HEX | #831645 |
| RGB | rgb(131, 22, 69) |
| HSL | hsl(334, 71%, 30%) |
| OKLCH | oklch(40.7% 0.147 0.9) |
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 #831645 | 9.69:1 | AAA | Lc -95.4 | Preferred for body text |
| Black text on #831645 | 2.16:1 | Fails | Lc 12.9 | Not readable |
| #831645 text on white | 9.69:1 | AAA | Lc 91.1 | Preferred for body text |
| #831645 text on black | 2.16:1 | Fails | Lc -11.3 | 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
#F9E3E9
oklch(93.5% 0.025 359.2)
-
Step 200
200
#F5CDD7
oklch(88.5% 0.047 1.3)
-
Step 300
300
#F0AABD
oklch(81% 0.085 1.4)
-
Step 400
400
#E5799C
oklch(70.7% 0.138 0.6)
-
Step 500
500
#DA5283
oklch(63.2% 0.175 1.2)
-
Step 600
600
#C52F6D
oklch(55.6% 0.191 0.9)
-
Step 700
700
#A91F5B
oklch(49% 0.177 0.7)
-
Step 800
800 (this color)
#831645
oklch(40.7% 0.147 0.9)
-
Step 900
900
#6F203E
oklch(37.7% 0.114 1)
-
Step 950
950
#411424
oklch(26.9% 0.072 1.1)
#831645 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) | #313746 | 0.166 |
| Deuteranopia (no green cones) | #4E4C43 | 0.149 |
| Tritanopia (no blue cones) | #8F002C | 0.044 |
| Achromatopsia (no color) | #444444 | 0.148 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #831645
#831645
oklch(40.7% 0.147 0.9)
- #00564C
#00564C
oklch(40.6% 0.073 181.5)
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 #831645, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Red Purple #820747 ΔE 0.016
- Wine #80013F ΔE 0.021
- Red Wine #8C0034 ΔE 0.031
- Mulberry #920A4E ΔE 0.034
- Bordeaux #7B002C ΔE 0.044
- Purple Red #990147 ΔE 0.046
- Berry #990F4B ΔE 0.047
- Velvet #750851 ΔE 0.047
Use #831645 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.