#310F13
Closest named color: Dark Maroon (#3C0008). oklch(22.5% 0.055 15.5), rgb(49, 15, 19).
Aa
White text reads best on this color (17.37:1).
About this color
#310F13 is a very dark, muted red. In OKLCH its lightness is 23%, its chroma 0.055 and its hue 16°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Maroon (#3C0008), ΔE 0.036 away. White text reads best on it, at 17.37:1.
| Hue family | Reds |
| Lightness | very dark (23%) |
| Chroma | muted (0.055) |
| Temperature | warm |
| Nearest name | Dark Maroon (#3C0008) |
| Black text | 1.20:1 |
| White text | 17.37:1 |
Values
| HEX | #310F13 |
| RGB | rgb(49, 15, 19) |
| HSL | hsl(353, 53%, 13%) |
| OKLCH | oklch(22.5% 0.055 15.5) |
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 #310F13 | 17.37:1 | AAA | Lc -106.3 | Preferred for body text |
| Black text on #310F13 | 1.20:1 | Fails | Lc 0.0 | Not readable |
| #310F13 text on white | 17.37:1 | AAA | Lc 104.0 | Preferred for body text |
| #310F13 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
#FBF3F3
oklch(97% 0.009 17.3)
-
Step 100
100
#F6E5E6
oklch(93.6% 0.019 13.4)
-
Step 200
200
#F0D0D1
oklch(88.5% 0.036 15.7)
-
Step 300
300
#E8B0B3
oklch(80.9% 0.066 15)
-
Step 400
400
#DA858B
oklch(70.8% 0.105 15.5)
-
Step 500
500
#CD646E
oklch(63.1% 0.133 15.7)
-
Step 600
600
#B94856
oklch(55.7% 0.146 15.8)
-
Step 700
700
#9F3846
oklch(49.1% 0.137 15.7)
-
Step 800
800
#81303A
oklch(42.8% 0.112 15.8)
-
Step 900
900
#682B32
oklch(37.7% 0.088 15.2)
-
Step 950
950 (this color)
#310F13
oklch(22.5% 0.055 15.5)
#310F13 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) | #171613 | 0.060 |
| Deuteranopia (no green cones) | #1F1D12 | 0.057 |
| Tritanopia (no blue cones) | #360A11 | 0.014 |
| Achromatopsia (no color) | #1A1A1A | 0.056 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #310F13
#310F13
oklch(22.5% 0.055 15.5)
- #002121
#002121
oklch(22.4% 0.038 194.8)
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 #310F13, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Maroon #3C0008 ΔE 0.036
- Deep Brown #410200 ΔE 0.045
- Dark Brown #341C02 ΔE 0.053
- Chocolate Brown #411900 ΔE 0.060
- Mahogany #4A0100 ΔE 0.062
- Dark Plum #3F012C ΔE 0.066
- Eggplant #380835 ΔE 0.071
- Jet #212529 ΔE 0.072
Use #310F13 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.