#491B3F
Closest named color: Deep Violet (#490648). oklch(30.6% 0.086 336.7), rgb(73, 27, 63).
Aa
White text reads best on this color (13.89:1).
About this color
#491B3F is a dark, moderately saturated purple. In OKLCH its lightness is 31%, its chroma 0.086 and its hue 337°. Its hue sits on the warm side of the wheel. The nearest named color is Deep Violet (#490648), ΔE 0.043 away. White text reads best on it, at 13.89:1.
| Hue family | Purples |
| Lightness | dark (31%) |
| Chroma | moderately saturated (0.086) |
| Temperature | warm |
| Nearest name | Deep Violet (#490648) |
| Black text | 1.51:1 |
| White text | 13.89:1 |
Values
| HEX | #491B3F |
| RGB | rgb(73, 27, 63) |
| HSL | hsl(313, 46%, 20%) |
| OKLCH | oklch(30.6% 0.086 336.7) |
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 #491B3F | 13.89:1 | AAA | Lc -103.2 | Preferred for body text |
| Black text on #491B3F | 1.51:1 | Fails | Lc 0.0 | Not readable |
| #491B3F text on white | 13.89:1 | AAA | Lc 100.1 | Preferred for body text |
| #491B3F 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
#FCF2F9
oklch(97.1% 0.014 336.1)
-
Step 100
100
#F8E3F1
oklch(93.7% 0.029 337.9)
-
Step 200
200
#F3CBE7
oklch(88.5% 0.058 337.1)
-
Step 300
300
#EBA7D9
oklch(80.8% 0.102 336.5)
-
Step 400
400
#DE75C6
oklch(70.7% 0.163 336.4)
-
Step 500
500
#D249B7
oklch(63% 0.209 336.5)
-
Step 600
600
#BE20A3
oklch(55.7% 0.227 336.7)
-
Step 700
700
#A30B8B
oklch(49.1% 0.211 336.8)
-
Step 800
800
#841271
oklch(42.6% 0.175 336.5)
-
Step 900
900
#6B1A5B
oklch(37.7% 0.136 337.1)
-
Step 950
950 (this color)
#491B3F
oklch(30.6% 0.086 336.7)
#491B3F 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) | #1C2840 | 0.090 |
| Deuteranopia (no green cones) | #292F3E | 0.080 |
| Tritanopia (no blue cones) | #4D1D2A | 0.042 |
| Achromatopsia (no color) | #2C2C2C | 0.087 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #491B3F
#491B3F
oklch(30.6% 0.086 336.7)
- #003A1F
#003A1F
oklch(30.6% 0.074 156.2)
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 #491B3F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Deep Violet #490648 ΔE 0.043
- Eggplant Purple #430541 ΔE 0.047
- Plum Purple #4E0550 ΔE 0.051
- Aubergine #3D0734 ΔE 0.054
- Grape Purple #5D1451 ΔE 0.054
- Eggplant #380835 ΔE 0.061
- Dark Plum #3F012C ΔE 0.063
- Dark Purple #35063E ΔE 0.069
Use #491B3F 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.