#731851
Closest named color: Velvet (#750851). oklch(38.4% 0.137 347.2), rgb(115, 24, 81).
Aa
White text reads best on this color (10.61:1).
About this color
#731851 is a dark, moderately saturated red. In OKLCH its lightness is 38%, its chroma 0.137 and its hue 347°. Its hue sits on the warm side of the wheel. The nearest named color is Velvet (#750851), ΔE 0.017 away. White text reads best on it, at 10.61:1.
| Hue family | Reds |
| Lightness | dark (38%) |
| Chroma | moderately saturated (0.137) |
| Temperature | warm |
| Nearest name | Velvet (#750851) |
| Black text | 1.97:1 |
| White text | 10.61:1 |
Values
| HEX | #731851 |
| RGB | rgb(115, 24, 81) |
| HSL | hsl(322, 65%, 27%) |
| OKLCH | oklch(38.4% 0.137 347.2) |
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 #731851 | 10.61:1 | AAA | Lc -97.6 | Preferred for body text |
| Black text on #731851 | 1.97:1 | Fails | Lc 10.4 | Not readable |
| #731851 text on white | 10.61:1 | AAA | Lc 93.5 | Preferred for body text |
| #731851 text on black | 1.97:1 | Fails | Lc -9.0 | 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 900.
-
Step 50
50
#FDF2F7
oklch(97.1% 0.013 347.9)
-
Step 100
100
#FAE2EE
oklch(93.6% 0.031 346)
-
Step 200
200
#F7CAE0
oklch(88.4% 0.058 347.4)
-
Step 300
300
#F2A5CD
oklch(80.8% 0.103 347.2)
-
Step 400
400
#E871B4
oklch(70.7% 0.165 347.2)
-
Step 500
500
#DD43A1
oklch(63.1% 0.21 347.3)
-
Step 600
600
#C80E8C
oklch(55.6% 0.229 347.2)
-
Step 700
700
#AB0076
oklch(49.1% 0.207 347.4)
-
Step 800
800
#8C0661
oklch(42.7% 0.176 347.1)
-
Step 900
900 (this color)
#731851
oklch(38.4% 0.137 347.2)
-
Step 950
950
#430F2E
oklch(27% 0.088 347.9)
#731851 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) | #253553 | 0.154 |
| Deuteranopia (no green cones) | #41444F | 0.133 |
| Tritanopia (no blue cones) | #7C1432 | 0.056 |
| Achromatopsia (no color) | #3E3E3E | 0.139 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #731851
#731851
oklch(38.4% 0.137 347.2)
- #00503B
#00503B
oklch(38.3% 0.078 167.9)
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 #731851, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Velvet #750851 ΔE 0.017
- Rich Purple #720058 ΔE 0.030
- Red Purple #820747 ΔE 0.036
- Wine #80013F ΔE 0.041
- Merlot #730039 ΔE 0.042
- Grape Purple #5D1451 ΔE 0.051
- Bordeaux #7B002C ΔE 0.061
- Mulberry #920A4E ΔE 0.066
Use #731851 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.