#311A44
Closest named color: Dark Purple (#35063E). oklch(27.1% 0.078 307.2), rgb(49, 26, 68).
Aa
White text reads best on this color (15.42:1).
About this color
#311A44 is a dark, moderately saturated purple. In OKLCH its lightness is 27%, its chroma 0.078 and its hue 307°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Purple (#35063E), ΔE 0.043 away. White text reads best on it, at 15.42:1.
| Hue family | Purples |
| Lightness | dark (27%) |
| Chroma | moderately saturated (0.078) |
| Temperature | in between |
| Nearest name | Dark Purple (#35063E) |
| Black text | 1.36:1 |
| White text | 15.42:1 |
Values
| HEX | #311A44 |
| RGB | rgb(49, 26, 68) |
| HSL | hsl(273, 45%, 18%) |
| OKLCH | oklch(27.1% 0.078 307.2) |
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 #311A44 | 15.42:1 | AAA | Lc -104.9 | Preferred for body text |
| Black text on #311A44 | 1.36:1 | Fails | Lc 0.0 | Not readable |
| #311A44 text on white | 15.42:1 | AAA | Lc 102.1 | Preferred for body text |
| #311A44 text on black | 1.36:1 | 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
#F8F3FC
oklch(97.1% 0.013 310.5)
-
Step 100
100
#EEE6F8
oklch(93.6% 0.025 305.8)
-
Step 200
200
#E2D1F4
oklch(88.5% 0.051 307.2)
-
Step 300
300
#D0B1F0
oklch(80.9% 0.093 306.8)
-
Step 400
400
#B985E8
oklch(70.6% 0.149 307.2)
-
Step 500
500
#A863E1
oklch(63.1% 0.189 307.1)
-
Step 600
600
#9445CF
oklch(55.7% 0.207 307.2)
-
Step 700
700
#7E35B3
oklch(49.1% 0.192 307.2)
-
Step 800
800
#662D91
oklch(42.6% 0.16 307)
-
Step 900
900
#532A73
oklch(37.6% 0.124 307.4)
-
Step 950
950 (this color)
#311A44
oklch(27.1% 0.078 307.2)
#311A44 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) | #0C2445 | 0.064 |
| Deuteranopia (no green cones) | #142543 | 0.057 |
| Tritanopia (no blue cones) | #2E222C | 0.057 |
| Achromatopsia (no color) | #252525 | 0.079 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #311A44
#311A44
oklch(27.1% 0.078 307.2)
- #1D2D00
#1D2D00
oklch(27.3% 0.071 127.7)
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 #311A44, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Purple #35063E ΔE 0.043
- Eggplant #380835 ΔE 0.046
- Deep Purple #36013F ΔE 0.051
- Aubergine #3D0734 ΔE 0.051
- Eggplant Purple #430541 ΔE 0.053
- Oxford Blue #1B263B ΔE 0.057
- Space Cadet #2B2D42 ΔE 0.059
- Deep Violet #490648 ΔE 0.061
Use #311A44 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.