#310D10
Closest named color: Dark Maroon (#3C0008). oklch(22.1% 0.059 18.3), rgb(49, 13, 16).
Aa
White text reads best on this color (17.56:1).
About this color
#310D10 is a very dark, muted red. In OKLCH its lightness is 22%, its chroma 0.059 and its hue 18°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Maroon (#3C0008), ΔE 0.032 away. White text reads best on it, at 17.56:1.
| Hue family | Reds |
| Lightness | very dark (22%) |
| Chroma | muted (0.059) |
| Temperature | warm |
| Nearest name | Dark Maroon (#3C0008) |
| Black text | 1.19:1 |
| White text | 17.56:1 |
Values
| HEX | #310D10 |
| RGB | rgb(49, 13, 16) |
| HSL | hsl(355, 58%, 12%) |
| OKLCH | oklch(22.1% 0.059 18.3) |
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 #310D10 | 17.56:1 | AAA | Lc -106.4 | Preferred for body text |
| Black text on #310D10 | 1.19:1 | Fails | Lc 0.0 | Not readable |
| #310D10 text on white | 17.56:1 | AAA | Lc 104.1 | Preferred for body text |
| #310D10 text on black | 1.19:1 | 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
#FCF3F3
oklch(97.1% 0.01 17.3)
-
Step 100
100
#F7E5E5
oklch(93.6% 0.02 17.5)
-
Step 200
200
#F2D0CF
oklch(88.6% 0.038 19.9)
-
Step 300
300
#EAAFAF
oklch(80.8% 0.069 18.7)
-
Step 400
400
#DD8386
oklch(70.7% 0.111 18.1)
-
Step 500
500
#D16168
oklch(63.1% 0.142 18.2)
-
Step 600
600
#BC444F
oklch(55.5% 0.154 18.4)
-
Step 700
700
#A23540
oklch(49.1% 0.143 18.4)
-
Step 800
800
#842D35
oklch(42.8% 0.119 18.4)
-
Step 900
900
#6A2A2E
oklch(37.8% 0.092 18.8)
-
Step 950
950 (this color)
#310D10
oklch(22.1% 0.059 18.3)
#310D10 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) | #161410 | 0.063 |
| Deuteranopia (no green cones) | #1F1C0F | 0.059 |
| Tritanopia (no blue cones) | #36070E | 0.015 |
| Achromatopsia (no color) | #191919 | 0.059 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #310D10
#310D10
oklch(22.1% 0.059 18.3)
- #002021
#002021
oklch(22.1% 0.038 197.8)
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 #310D10, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Maroon #3C0008 ΔE 0.032
- Deep Brown #410200 ΔE 0.043
- Dark Brown #341C02 ΔE 0.055
- Mahogany #4A0100 ΔE 0.061
- Chocolate Brown #411900 ΔE 0.061
- Dark Plum #3F012C ΔE 0.068
- Very Dark Brown #1D0200 ΔE 0.072
- Eggplant #380835 ΔE 0.075
Use #310D10 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.