#311644
Closest named color: Dark Purple (#35063E). oklch(26.4% 0.086 308.7), rgb(49, 22, 68).
Aa
White text reads best on this color (15.80:1).
About this color
#311644 is a dark, moderately saturated purple. In OKLCH its lightness is 26%, its chroma 0.086 and its hue 309°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Purple (#35063E), ΔE 0.033 away. White text reads best on it, at 15.80:1.
| Hue family | Purples |
| Lightness | dark (26%) |
| Chroma | moderately saturated (0.086) |
| Temperature | in between |
| Nearest name | Dark Purple (#35063E) |
| Black text | 1.32:1 |
| White text | 15.80:1 |
Values
| HEX | #311644 |
| RGB | rgb(49, 22, 68) |
| HSL | hsl(275, 51%, 18%) |
| OKLCH | oklch(26.4% 0.086 308.7) |
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 #311644 | 15.80:1 | AAA | Lc -105.1 | Preferred for body text |
| Black text on #311644 | 1.32:1 | Fails | Lc 0.0 | Not readable |
| #311644 text on white | 15.80:1 | AAA | Lc 102.5 | Preferred for body text |
| #311644 text on black | 1.32:1 | 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
#F8F3FD
oklch(97.1% 0.014 308.3)
-
Step 100
100
#EFE5F9
oklch(93.6% 0.029 308.1)
-
Step 200
200
#E4D0F6
oklch(88.6% 0.056 308.9)
-
Step 300
300
#D3AFF3
oklch(80.9% 0.101 308.4)
-
Step 400
400
#BE81ED
oklch(70.7% 0.163 308.8)
-
Step 500
500
#AD5CE7
oklch(63.1% 0.208 308.4)
-
Step 600
600
#993BD5
oklch(55.6% 0.226 308.6)
-
Step 700
700
#832BB8
oklch(49.1% 0.21 308.9)
-
Step 800
800
#6A2695
oklch(42.6% 0.174 308.7)
-
Step 900
900
#562677
oklch(37.7% 0.135 308.5)
-
Step 950
950 (this color)
#311644
oklch(26.4% 0.086 308.7)
#311644 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) | #042145 | 0.074 |
| Deuteranopia (no green cones) | #102343 | 0.065 |
| Tritanopia (no blue cones) | #2E1F2A | 0.061 |
| Achromatopsia (no color) | #232323 | 0.086 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #311644
#311644
oklch(26.4% 0.086 308.7)
- #1A2B00
#1A2B00
oklch(26.4% 0.07 129)
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 #311644, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Purple #35063E ΔE 0.033
- Eggplant #380835 ΔE 0.040
- Deep Purple #36013F ΔE 0.041
- Aubergine #3D0734 ΔE 0.047
- Eggplant Purple #430541 ΔE 0.048
- Deep Violet #490648 ΔE 0.057
- Midnight Purple #280137 ΔE 0.058
- Very Dark Purple #2A0134 ΔE 0.058
Use #311644 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.