#311A53
Closest named color: Dark Purple (#35063E). oklch(28.3% 0.099 298.4), rgb(49, 26, 83).
Aa
White text reads best on this color (14.96:1).
About this color
#311A53 is a dark, moderately saturated purple. In OKLCH its lightness is 28%, its chroma 0.099 and its hue 298°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Purple (#35063E), ΔE 0.055 away. White text reads best on it, at 14.96:1.
| Hue family | Purples |
| Lightness | dark (28%) |
| Chroma | moderately saturated (0.099) |
| Temperature | in between |
| Nearest name | Dark Purple (#35063E) |
| Black text | 1.40:1 |
| White text | 14.96:1 |
Values
| HEX | #311A53 |
| RGB | rgb(49, 26, 83) |
| HSL | hsl(264, 52%, 21%) |
| OKLCH | oklch(28.3% 0.099 298.4) |
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 #311A53 | 14.96:1 | AAA | Lc -104.4 | Preferred for body text |
| Black text on #311A53 | 1.40:1 | Fails | Lc 0.0 | Not readable |
| #311A53 text on white | 14.96:1 | AAA | Lc 101.5 | Preferred for body text |
| #311A53 text on black | 1.40:1 | 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
#F6F3FF
oklch(97% 0.016 297.5)
-
Step 100
100
#ECE5FE
oklch(93.5% 0.034 298.5)
-
Step 200
200
#DED1FF
oklch(88.6% 0.064 298)
-
Step 300
300
#CAB1FF
oklch(81% 0.111 298.6)
-
Step 400
400
#B083FF
oklch(70.6% 0.179 298.5)
-
Step 500
500
#9F5CFF
oklch(63.2% 0.231 298.4)
-
Step 600
600
#8C31F3
oklch(55.5% 0.262 298.3)
-
Step 700
700
#781FD4
oklch(49.2% 0.244 298.5)
-
Step 800
800
#611FAB
oklch(42.7% 0.201 298.4)
-
Step 900
900
#4F2387
oklch(37.7% 0.156 298.6)
-
Step 950
950 (this color)
#311A53
oklch(28.3% 0.099 298.4)
#311A53 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) | #002755 | 0.071 |
| Deuteranopia (no green cones) | #012652 | 0.070 |
| Tritanopia (no blue cones) | #292733 | 0.078 |
| Achromatopsia (no color) | #272727 | 0.100 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #311A53
#311A53
oklch(28.3% 0.099 298.4)
- #272E00
#272E00
oklch(28.4% 0.066 118.4)
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 #311A53, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Purple #35063E ΔE 0.055
- Dark Indigo #1F0954 ΔE 0.055
- Deep Purple #36013F ΔE 0.060
- Eggplant Purple #430541 ΔE 0.061
- Deep Violet #490648 ΔE 0.063
- Eggplant #380835 ΔE 0.066
- Space Cadet #2B2D42 ΔE 0.068
- Plum Purple #4E0550 ΔE 0.069
Use #311A53 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.