#310837
Closest named color: Dark Purple (#35063E). oklch(23.5% 0.093 322.3), rgb(49, 8, 55).
Aa
White text reads best on this color (17.20:1).
About this color
#310837 is a very dark, moderately saturated purple. In OKLCH its lightness is 23%, its chroma 0.093 and its hue 322°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Purple (#35063E), ΔE 0.016 away. White text reads best on it, at 17.20:1.
| Hue family | Purples |
| Lightness | very dark (23%) |
| Chroma | moderately saturated (0.093) |
| Temperature | in between |
| Nearest name | Dark Purple (#35063E) |
| Black text | 1.22:1 |
| White text | 17.20:1 |
Values
| HEX | #310837 |
| RGB | rgb(49, 8, 55) |
| HSL | hsl(292, 75%, 12%) |
| OKLCH | oklch(23.5% 0.093 322.3) |
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 #310837 | 17.20:1 | AAA | Lc -106.0 | Preferred for body text |
| Black text on #310837 | 1.22:1 | Fails | Lc 0.0 | Not readable |
| #310837 text on white | 17.20:1 | AAA | Lc 103.6 | Preferred for body text |
| #310837 text on black | 1.22:1 | 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
#FAF2FB
oklch(97% 0.015 322.3)
-
Step 100
100
#F4E3F7
oklch(93.5% 0.032 321.1)
-
Step 200
200
#EDCCF1
oklch(88.4% 0.061 322.6)
-
Step 300
300
#E3A9EB
oklch(81% 0.11 322.4)
-
Step 400
400
#D376E0
oklch(70.7% 0.177 322.6)
-
Step 500
500
#C54BD7
oklch(63.1% 0.225 322.3)
-
Step 600
600
#B120C5
oklch(55.7% 0.245 322.3)
-
Step 700
700
#980AAA
oklch(49.2% 0.228 322.4)
-
Step 800
800
#7B128A
oklch(42.7% 0.189 322)
-
Step 900
900
#631B6E
oklch(37.6% 0.147 322)
-
Step 950
950 (this color)
#310837
oklch(23.5% 0.093 322.3)
#310837 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) | #001838 | 0.095 |
| Deuteranopia (no green cones) | #0F1D36 | 0.082 |
| Tritanopia (no blue cones) | #32111F | 0.055 |
| Achromatopsia (no color) | #1B1B1B | 0.094 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #310837
#310837
oklch(23.5% 0.093 322.3)
- #012600
#012600
oklch(23.3% 0.079 142)
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 #310837, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Purple #35063E ΔE 0.016
- Eggplant #380835 ΔE 0.018
- Deep Purple #36013F ΔE 0.022
- Very Dark Purple #2A0134 ΔE 0.026
- Midnight Purple #280137 ΔE 0.030
- Aubergine #3D0734 ΔE 0.030
- Dark Plum #3F012C ΔE 0.041
- Eggplant Purple #430541 ΔE 0.045
Use #310837 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.