#31103D
Closest named color: Dark Purple (#35063E). oklch(25% 0.087 315.8), rgb(49, 16, 61).
Aa
White text reads best on this color (16.50:1).
About this color
#31103D is a very dark, moderately saturated purple. In OKLCH its lightness is 25%, its chroma 0.087 and its hue 316°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Purple (#35063E), ΔE 0.020 away. White text reads best on it, at 16.50:1.
| Hue family | Purples |
| Lightness | very dark (25%) |
| Chroma | moderately saturated (0.087) |
| Temperature | in between |
| Nearest name | Dark Purple (#35063E) |
| Black text | 1.27:1 |
| White text | 16.50:1 |
Values
| HEX | #31103D |
| RGB | rgb(49, 16, 61) |
| HSL | hsl(284, 58%, 15%) |
| OKLCH | oklch(25% 0.087 315.8) |
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 #31103D | 16.50:1 | AAA | Lc -105.6 | Preferred for body text |
| Black text on #31103D | 1.27:1 | Fails | Lc 0.0 | Not readable |
| #31103D text on white | 16.50:1 | AAA | Lc 103.1 | Preferred for body text |
| #31103D text on black | 1.27:1 | 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
#F9F3FC
oklch(97.1% 0.013 314.8)
-
Step 100
100
#F2E4F8
oklch(93.6% 0.031 315.9)
-
Step 200
200
#E8CEF3
oklch(88.4% 0.057 315.9)
-
Step 300
300
#DBACEE
oklch(80.9% 0.104 316)
-
Step 400
400
#C87DE5
oklch(70.7% 0.165 316)
-
Step 500
500
#B955DE
oklch(63.1% 0.213 315.8)
-
Step 600
600
#A432CB
oklch(55.5% 0.23 315.7)
-
Step 700
700
#8D22B0
oklch(49.1% 0.214 315.8)
-
Step 800
800
#72208E
oklch(42.6% 0.177 315.7)
-
Step 900
900
#5D2272
oklch(37.8% 0.138 315.9)
-
Step 950
950 (this color)
#31103D
oklch(25% 0.087 315.8)
#31103D 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) | #021D3E | 0.083 |
| Deuteranopia (no green cones) | #10203C | 0.072 |
| Tritanopia (no blue cones) | #301824 | 0.057 |
| Achromatopsia (no color) | #1F1F1F | 0.088 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #31103D
#31103D
oklch(25% 0.087 315.8)
- #0F2900
#0F2900
oklch(25% 0.074 135.9)
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 #31103D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Purple #35063E ΔE 0.020
- Eggplant #380835 ΔE 0.025
- Deep Purple #36013F ΔE 0.029
- Aubergine #3D0734 ΔE 0.035
- Very Dark Purple #2A0134 ΔE 0.041
- Midnight Purple #280137 ΔE 0.043
- Eggplant Purple #430541 ΔE 0.043
- Dark Plum #3F012C ΔE 0.050
Use #31103D 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.