#491F40
Closest named color: Deep Violet (#490648). oklch(31.3% 0.08 336.1), rgb(73, 31, 64).
Aa
White text reads best on this color (13.51:1).
About this color
#491F40 is a dark, moderately saturated purple. In OKLCH its lightness is 31%, its chroma 0.080 and its hue 336°. Its hue sits on the warm side of the wheel. The nearest named color is Deep Violet (#490648), ΔE 0.052 away. White text reads best on it, at 13.51:1.
| Hue family | Purples |
| Lightness | dark (31%) |
| Chroma | moderately saturated (0.080) |
| Temperature | warm |
| Nearest name | Deep Violet (#490648) |
| Black text | 1.55:1 |
| White text | 13.51:1 |
Values
| HEX | #491F40 |
| RGB | rgb(73, 31, 64) |
| HSL | hsl(313, 40%, 20%) |
| OKLCH | oklch(31.3% 0.08 336.1) |
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 #491F40 | 13.51:1 | AAA | Lc -102.9 | Preferred for body text |
| Black text on #491F40 | 1.55:1 | Fails | Lc 0.0 | Not readable |
| #491F40 text on white | 13.51:1 | AAA | Lc 99.7 | Preferred for body text |
| #491F40 text on black | 1.55:1 | 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
#FBF2F9
oklch(97% 0.013 333)
-
Step 100
100
#F6E3F1
oklch(93.5% 0.028 334.9)
-
Step 200
200
#F0CDE6
oklch(88.5% 0.051 336.3)
-
Step 300
300
#E8AAD8
oklch(81% 0.094 336.1)
-
Step 400
400
#DA79C4
oklch(70.7% 0.151 336.1)
-
Step 500
500
#CD51B5
oklch(63.1% 0.193 335.9)
-
Step 600
600
#B82EA0
oklch(55.5% 0.209 336.2)
-
Step 700
700
#9E1E89
oklch(49% 0.195 336.1)
-
Step 800
800
#811D6F
oklch(42.7% 0.161 336.5)
-
Step 900
900
#68205A
oklch(37.8% 0.125 336.4)
-
Step 950
950 (this color)
#491F40
oklch(31.3% 0.08 336.1)
#491F40 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) | #1F2A41 | 0.083 |
| Deuteranopia (no green cones) | #2B313F | 0.074 |
| Tritanopia (no blue cones) | #4D212C | 0.040 |
| Achromatopsia (no color) | #2E2E2E | 0.080 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #491F40
#491F40
oklch(31.3% 0.08 336.1)
- #003C20
#003C20
oklch(31.3% 0.076 156)
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 #491F40, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Deep Violet #490648 ΔE 0.052
- Grape Purple #5D1451 ΔE 0.055
- Eggplant Purple #430541 ΔE 0.056
- Plum Purple #4E0550 ΔE 0.057
- Aubergine #3D0734 ΔE 0.062
- Space Cadet #2B2D42 ΔE 0.067
- Eggplant #380835 ΔE 0.069
- Dark Plum #3F012C ΔE 0.071
Use #491F40 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.