#491D37
Closest named color: Deep Violet (#490648). oklch(30.5% 0.076 346), rgb(73, 29, 55).
Aa
White text reads best on this color (13.86:1).
About this color
#491D37 is a dark, moderately saturated red. In OKLCH its lightness is 31%, its chroma 0.076 and its hue 346°. Its hue sits on the warm side of the wheel. The nearest named color is Deep Violet (#490648), ΔE 0.058 away. White text reads best on it, at 13.86:1.
| Hue family | Reds |
| Lightness | dark (31%) |
| Chroma | moderately saturated (0.076) |
| Temperature | warm |
| Nearest name | Deep Violet (#490648) |
| Black text | 1.51:1 |
| White text | 13.86:1 |
Values
| HEX | #491D37 |
| RGB | rgb(73, 29, 55) |
| HSL | hsl(325, 43%, 20%) |
| OKLCH | oklch(30.5% 0.076 346) |
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 #491D37 | 13.86:1 | AAA | Lc -103.3 | Preferred for body text |
| Black text on #491D37 | 1.51:1 | Fails | Lc 0.0 | Not readable |
| #491D37 text on white | 13.86:1 | AAA | Lc 100.1 | Preferred for body text |
| #491D37 text on black | 1.51:1 | Fails | Lc 0.0 | 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 950.
-
Step 50
50
#FCF2F7
oklch(97% 0.013 345.5)
-
Step 100
100
#F8E3ED
oklch(93.6% 0.026 347.1)
-
Step 200
200
#F3CDE0
oklch(88.6% 0.049 346.5)
-
Step 300
300
#ECA9CD
oklch(80.9% 0.091 345.9)
-
Step 400
400
#DF79B3
oklch(70.7% 0.143 346.2)
-
Step 500
500
#D351A0
oklch(63% 0.184 346.2)
-
Step 600
600
#BE2F8B
oklch(55.6% 0.199 346.1)
-
Step 700
700
#A41F76
oklch(49.2% 0.186 346.3)
-
Step 800
800
#851D60
oklch(42.7% 0.154 346.2)
-
Step 900
900
#6B204F
oklch(37.7% 0.119 345.8)
-
Step 950
950 (this color)
#491D37
oklch(30.5% 0.076 346)
#491D37 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) | #212838 | 0.082 |
| Deuteranopia (no green cones) | #2D2F36 | 0.073 |
| Tritanopia (no blue cones) | #4E1C27 | 0.030 |
| Achromatopsia (no color) | #2C2C2C | 0.077 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #491D37
#491D37
oklch(30.5% 0.076 346)
- #003928
#003928
oklch(30.6% 0.063 166.4)
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 #491D37, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Deep Violet #490648 ΔE 0.058
- Aubergine #3D0734 ΔE 0.058
- Eggplant Purple #430541 ΔE 0.058
- Dark Plum #3F012C ΔE 0.065
- Burgundy #610023 ΔE 0.065
- Grape Purple #5D1451 ΔE 0.065
- Eggplant #380835 ΔE 0.066
- Plum Purple #4E0550 ΔE 0.066
Use #491D37 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.