#311548
Closest named color: Dark Purple (#35063E). oklch(26.6% 0.093 306.3), rgb(49, 21, 72).
Aa
White text reads best on this color (15.77:1).
About this color
#311548 is a dark, moderately saturated purple. In OKLCH its lightness is 27%, its chroma 0.093 and its hue 306°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Purple (#35063E), ΔE 0.034 away. White text reads best on it, at 15.77:1.
| Hue family | Purples |
| Lightness | dark (27%) |
| Chroma | moderately saturated (0.093) |
| Temperature | in between |
| Nearest name | Dark Purple (#35063E) |
| Black text | 1.33:1 |
| White text | 15.77:1 |
Values
| HEX | #311548 |
| RGB | rgb(49, 21, 72) |
| HSL | hsl(273, 55%, 18%) |
| OKLCH | oklch(26.6% 0.093 306.3) |
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 #311548 | 15.77:1 | AAA | Lc -105.1 | Preferred for body text |
| Black text on #311548 | 1.33:1 | Fails | Lc 0.0 | Not readable |
| #311548 text on white | 15.77:1 | AAA | Lc 102.4 | Preferred for body text |
| #311548 text on black | 1.33:1 | 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
#EFE5FB
oklch(93.6% 0.031 306.2)
-
Step 200
200
#E3CFFA
oklch(88.4% 0.062 306.2)
-
Step 300
300
#D2AEF9
oklch(80.9% 0.11 306)
-
Step 400
400
#BC7FF6
oklch(70.7% 0.176 306.1)
-
Step 500
500
#AC58F1
oklch(63.1% 0.223 306.2)
-
Step 600
600
#9833E0
oklch(55.6% 0.244 306.2)
-
Step 700
700
#8222C2
oklch(49% 0.227 306.4)
-
Step 800
800
#6A219D
oklch(42.8% 0.187 306.6)
-
Step 900
900
#56237D
oklch(37.8% 0.146 306.5)
-
Step 950
950 (this color)
#311548
oklch(26.6% 0.093 306.3)
#311548 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) | #00224A | 0.078 |
| Deuteranopia (no green cones) | #0A2347 | 0.071 |
| Tritanopia (no blue cones) | #2D202C | 0.067 |
| Achromatopsia (no color) | #232323 | 0.093 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #311548
#311548
oklch(26.6% 0.093 306.3)
- #1D2B00
#1D2B00
oklch(26.6% 0.068 126.3)
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 #311548, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Purple #35063E ΔE 0.034
- Deep Purple #36013F ΔE 0.041
- Eggplant #380835 ΔE 0.045
- Eggplant Purple #430541 ΔE 0.048
- Aubergine #3D0734 ΔE 0.051
- Dark Indigo #1F0954 ΔE 0.055
- Deep Violet #490648 ΔE 0.057
- Midnight Purple #280137 ΔE 0.059
Use #311548 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.