#81313F
Closest named color: Brownish Purple (#76424E). oklch(43% 0.111 12.4), rgb(129, 49, 63).
Aa
White text reads best on this color (8.59:1).
About this color
#81313F is a dark, moderately saturated red. In OKLCH its lightness is 43%, its chroma 0.111 and its hue 12°. Its hue sits on the warm side of the wheel. The nearest named color is Brownish Purple (#76424E), ΔE 0.042 away. White text reads best on it, at 8.59:1.
| Hue family | Reds |
| Lightness | dark (43%) |
| Chroma | moderately saturated (0.111) |
| Temperature | warm |
| Nearest name | Brownish Purple (#76424E) |
| Black text | 2.44:1 |
| White text | 8.59:1 |
Values
| HEX | #81313F |
| RGB | rgb(129, 49, 63) |
| HSL | hsl(350, 45%, 35%) |
| OKLCH | oklch(43% 0.111 12.4) |
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 #81313F | 8.59:1 | AAA | Lc -93.5 | Preferred for body text |
| Black text on #81313F | 2.44:1 | Fails | Lc 15.1 | Dividers and decoration only |
| #81313F text on white | 8.59:1 | AAA | Lc 88.9 | Fine for body text |
| #81313F text on black | 2.44:1 | Fails | Lc -13.3 | 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
#FBF3F4
oklch(97.1% 0.009 8.5)
-
Step 100
100
#F6E5E6
oklch(93.6% 0.019 13.4)
-
Step 200
200
#F0D0D3
oklch(88.5% 0.036 11.4)
-
Step 300
300
#E7B0B5
oklch(80.9% 0.065 12.5)
-
Step 400
400
#D9858F
oklch(70.7% 0.104 12.4)
-
Step 500
500
#CC6473
oklch(63.1% 0.132 12.6)
-
Step 600
600
#B7485C
oklch(55.5% 0.144 12.1)
-
Step 700
700
#9D394C
oklch(49% 0.133 12)
-
Step 800
800 (this color)
#81313F
oklch(43% 0.111 12.4)
-
Step 900
900
#672B35
oklch(37.6% 0.087 11.9)
-
Step 950
950
#3D1A1F
oklch(27% 0.055 12.5)
#81313F 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) | #43423F | 0.121 |
| Deuteranopia (no green cones) | #57523D | 0.112 |
| Tritanopia (no blue cones) | #8D2536 | 0.029 |
| Achromatopsia (no color) | #4C4C4C | 0.112 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #81313F
#81313F
oklch(43% 0.111 12.4)
- #005C5B
#005C5B
oklch(42.9% 0.073 193.5)
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 #81313F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Brownish Purple #76424E ΔE 0.042
- Red Brown #8B2E16 ΔE 0.052
- Purple Brown #673A3F ΔE 0.053
- Red Wine #8C0034 ΔE 0.057
- Auburn #9B2226 ΔE 0.059
- Rust Brown #8B3103 ΔE 0.065
- Brown Red #922B05 ΔE 0.065
- Red Purple #820747 ΔE 0.066
Use #81313F 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.