#310D1C
Closest named color: Dark Maroon (#3C0008). oklch(22.5% 0.061 357.3), rgb(49, 13, 28).
Aa
White text reads best on this color (17.42:1).
About this color
#310D1C is a very dark, muted red. In OKLCH its lightness is 23%, its chroma 0.061 and its hue 357°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Maroon (#3C0008), ΔE 0.042 away. White text reads best on it, at 17.42:1.
| Hue family | Reds |
| Lightness | very dark (23%) |
| Chroma | muted (0.061) |
| Temperature | warm |
| Nearest name | Dark Maroon (#3C0008) |
| Black text | 1.20:1 |
| White text | 17.42:1 |
Values
| HEX | #310D1C |
| RGB | rgb(49, 13, 28) |
| HSL | hsl(335, 58%, 12%) |
| OKLCH | oklch(22.5% 0.061 357.3) |
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 #310D1C | 17.42:1 | AAA | Lc -106.3 | Preferred for body text |
| Black text on #310D1C | 1.20:1 | Fails | Lc 0.0 | Not readable |
| #310D1C text on white | 17.42:1 | AAA | Lc 104.0 | Preferred for body text |
| #310D1C text on black | 1.20:1 | 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
#FBF3F5
oklch(97.1% 0.009 0.1)
-
Step 100
100
#F6E4EA
oklch(93.5% 0.021 355.2)
-
Step 200
200
#F1CFD9
oklch(88.6% 0.04 358.3)
-
Step 300
300
#E8AEC1
oklch(81% 0.072 357.4)
-
Step 400
400
#DA81A1
oklch(70.7% 0.116 357.4)
-
Step 500
500
#CD5E8A
oklch(63% 0.148 357.3)
-
Step 600
600
#B94174
oklch(55.7% 0.162 357.4)
-
Step 700
700
#9F3261
oklch(49.2% 0.15 357.7)
-
Step 800
800
#812B50
oklch(42.8% 0.124 357.1)
-
Step 900
900
#682842
oklch(37.7% 0.096 357.4)
-
Step 950
950 (this color)
#310D1C
oklch(22.5% 0.061 357.3)
#310D1C 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) | #13161C | 0.068 |
| Deuteranopia (no green cones) | #1D1C1B | 0.061 |
| Tritanopia (no blue cones) | #350A13 | 0.018 |
| Achromatopsia (no color) | #1A1A1A | 0.062 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #310D1C
#310D1C
oklch(22.5% 0.061 357.3)
- #00221B
#00221B
oklch(22.5% 0.042 176.1)
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 #310D1C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Maroon #3C0008 ΔE 0.042
- Dark Plum #3F012C ΔE 0.050
- Eggplant #380835 ΔE 0.053
- Aubergine #3D0734 ΔE 0.055
- Deep Brown #410200 ΔE 0.056
- Very Dark Purple #2A0134 ΔE 0.065
- Dark Purple #35063E ΔE 0.070
- Mahogany #4A0100 ΔE 0.070
Use #310D1C 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.