#310738
Closest named color: Dark Purple (#35063E). oklch(23.4% 0.096 321.5), rgb(49, 7, 56).
Aa
White text reads best on this color (17.24:1).
About this color
#310738 is a very dark, moderately saturated purple. In OKLCH its lightness is 23%, its chroma 0.096 and its hue 321°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Purple (#35063E), ΔE 0.014 away. White text reads best on it, at 17.24:1.
| Hue family | Purples |
| Lightness | very dark (23%) |
| Chroma | moderately saturated (0.096) |
| Temperature | in between |
| Nearest name | Dark Purple (#35063E) |
| Black text | 1.21:1 |
| White text | 17.24:1 |
Values
| HEX | #310738 |
| RGB | rgb(49, 7, 56) |
| HSL | hsl(291, 78%, 12%) |
| OKLCH | oklch(23.4% 0.096 321.5) |
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 #310738 | 17.24:1 | AAA | Lc -106.0 | Preferred for body text |
| Black text on #310738 | 1.21:1 | Fails | Lc 0.0 | Not readable |
| #310738 text on white | 17.24:1 | AAA | Lc 103.5 | Preferred for body text |
| #310738 text on black | 1.21:1 | 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
#FAF2FC
oklch(97% 0.016 319.4)
-
Step 100
100
#F5E3F7
oklch(93.6% 0.033 322.8)
-
Step 200
200
#EDCCF3
oklch(88.5% 0.063 321.1)
-
Step 300
300
#E3A8ED
oklch(80.9% 0.114 321.5)
-
Step 400
400
#D375E3
oklch(70.7% 0.181 321.6)
-
Step 500
500
#C548DB
oklch(63% 0.232 321.3)
-
Step 600
600
#B11AC8
oklch(55.6% 0.251 321.6)
-
Step 700
700
#9800AD
oklch(49.1% 0.234 321.5)
-
Step 800
800
#7B0E8C
oklch(42.6% 0.193 321.4)
-
Step 900
900
#641970
oklch(37.7% 0.151 321.7)
-
Step 950
950 (this color)
#310738
oklch(23.4% 0.096 321.5)
#310738 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) | #001839 | 0.095 |
| Deuteranopia (no green cones) | #0D1C37 | 0.084 |
| Tritanopia (no blue cones) | #32111F | 0.058 |
| Achromatopsia (no color) | #1B1B1B | 0.096 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #310738
#310738
oklch(23.4% 0.096 321.5)
- #022600
#022600
oklch(23.4% 0.078 141.6)
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 #310738, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Purple #35063E ΔE 0.014
- Eggplant #380835 ΔE 0.019
- Deep Purple #36013F ΔE 0.019
- Very Dark Purple #2A0134 ΔE 0.025
- Midnight Purple #280137 ΔE 0.028
- Aubergine #3D0734 ΔE 0.031
- Dark Plum #3F012C ΔE 0.042
- Eggplant Purple #430541 ΔE 0.045
Use #310738 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.