#831A4A
Closest named color: Red Purple (#820747). oklch(41.2% 0.145 358.3), rgb(131, 26, 74).
Aa
White text reads best on this color (9.49:1).
About this color
#831A4A is a dark, vivid red. In OKLCH its lightness is 41%, its chroma 0.145 and its hue 358°. 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 9.49:1.
| Hue family | Reds |
| Lightness | dark (41%) |
| Chroma | vivid (0.145) |
| Temperature | warm |
| Nearest name | Red Purple (#820747) |
| Black text | 2.21:1 |
| White text | 9.49:1 |
Values
| HEX | #831A4A |
| RGB | rgb(131, 26, 74) |
| HSL | hsl(333, 67%, 31%) |
| OKLCH | oklch(41.2% 0.145 358.3) |
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 #831A4A | 9.49:1 | AAA | Lc -95.1 | Preferred for body text |
| Black text on #831A4A | 2.21:1 | Fails | Lc 13.3 | Not readable |
| #831A4A text on white | 9.49:1 | AAA | Lc 90.7 | Preferred for body text |
| #831A4A 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
#F9E3EA
oklch(93.6% 0.026 356.3)
-
Step 200
200
#F4CDD9
oklch(88.5% 0.046 357.6)
-
Step 300
300
#EEAAC0
oklch(80.8% 0.084 358.1)
-
Step 400
400
#E37AA0
oklch(70.7% 0.136 358.1)
-
Step 500
500
#D75388
oklch(63% 0.173 358.3)
-
Step 600
600
#C23272
oklch(55.6% 0.187 358.3)
-
Step 700
700
#A72260
oklch(49% 0.175 358)
-
Step 800
800 (this color)
#831A4A
oklch(41.2% 0.145 358.3)
-
Step 900
900
#6E2141
oklch(37.8% 0.113 358.4)
-
Step 950
950
#411526
oklch(27.1% 0.071 358.9)
#831A4A 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) | #32394B | 0.162 |
| Deuteranopia (no green cones) | #4E4D48 | 0.146 |
| Tritanopia (no blue cones) | #8E0630 | 0.045 |
| Achromatopsia (no color) | #464646 | 0.146 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #831A4A
#831A4A
oklch(41.2% 0.145 358.3)
- #00584B
#00584B
oklch(41.2% 0.076 178.2)
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 #831A4A, 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 0.027
- Mulberry #920A4E ΔE 0.032
- Red Wine #8C0034 ΔE 0.038
- Berry #990F4B ΔE 0.045
- Purple Red #990147 ΔE 0.046
- Velvet #750851 ΔE 0.046
- Bordeaux #7B002C ΔE 0.052
Use #831A4A 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.