#310F10
Closest named color: Dark Maroon (#3C0008). oklch(22.4% 0.056 20.9), rgb(49, 15, 16).
Aa
White text reads best on this color (17.40:1).
About this color
#310F10 is a very dark, muted red. In OKLCH its lightness is 22%, its chroma 0.056 and its hue 21°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Maroon (#3C0008), ΔE 0.035 away. White text reads best on it, at 17.40:1.
| Hue family | Reds |
| Lightness | very dark (22%) |
| Chroma | muted (0.056) |
| Temperature | warm |
| Nearest name | Dark Maroon (#3C0008) |
| Black text | 1.20:1 |
| White text | 17.40:1 |
Values
| HEX | #310F10 |
| RGB | rgb(49, 15, 16) |
| HSL | hsl(358, 53%, 13%) |
| OKLCH | oklch(22.4% 0.056 20.9) |
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 #310F10 | 17.40:1 | AAA | Lc -106.3 | Preferred for body text |
| Black text on #310F10 | 1.20:1 | Fails | Lc 0.0 | Not readable |
| #310F10 text on white | 17.40:1 | AAA | Lc 104.0 | Preferred for body text |
| #310F10 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
#F6E5E4
oklch(93.5% 0.019 21.6)
-
Step 200
200
#F1D0CF
oklch(88.5% 0.037 19.9)
-
Step 300
300
#E8B0AE
oklch(80.8% 0.066 21)
-
Step 400
400
#DA8584
oklch(70.6% 0.105 20.8)
-
Step 500
500
#CE6466
oklch(63.1% 0.135 20.5)
-
Step 600
600
#B9494D
oklch(55.6% 0.145 21)
-
Step 700
700
#9F393E
oklch(49% 0.136 20.8)
-
Step 800
800
#813033
oklch(42.6% 0.112 21)
-
Step 900
900
#682C2D
oklch(37.7% 0.086 21.1)
-
Step 950
950 (this color)
#310F10
oklch(22.4% 0.056 20.9)
#310F10 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) | #171610 | 0.060 |
| Deuteranopia (no green cones) | #201D0F | 0.056 |
| Tritanopia (no blue cones) | #360910 | 0.016 |
| Achromatopsia (no color) | #1A1A1A | 0.056 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #310F10
#310F10
oklch(22.4% 0.056 20.9)
- #002123
#002123
oklch(22.5% 0.038 200.6)
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 #310F10, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Maroon #3C0008 ΔE 0.035
- Deep Brown #410200 ΔE 0.043
- Dark Brown #341C02 ΔE 0.050
- Chocolate Brown #411900 ΔE 0.057
- Mahogany #4A0100 ΔE 0.060
- Dark Plum #3F012C ΔE 0.070
- Jet #212529 ΔE 0.073
- Very Dark Brown #1D0200 ΔE 0.074
Use #310F10 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.