#310F0F
Closest named color: Dark Maroon (#3C0008). oklch(22.4% 0.056 22.6), rgb(49, 15, 15).
Aa
White text reads best on this color (17.41:1).
About this color
#310F0F is a very dark, muted red. In OKLCH its lightness is 22%, its chroma 0.056 and its hue 23°. 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 17.41:1.
| 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 | 17.41:1 |
Values
| HEX | #310F0F |
| RGB | rgb(49, 15, 15) |
| HSL | hsl(0, 53%, 13%) |
| OKLCH | oklch(22.4% 0.056 22.6) |
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 #310F0F | 17.41:1 | AAA | Lc -106.3 | Preferred for body text |
| Black text on #310F0F | 1.20:1 | Fails | Lc 0.0 | Not readable |
| #310F0F text on white | 17.41:1 | AAA | Lc 104.0 | Preferred for body text |
| #310F0F 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
#F7E5E4
oklch(93.6% 0.02 21.4)
-
Step 200
200
#F1D0CE
oklch(88.5% 0.037 22)
-
Step 300
300
#E8B0AD
oklch(80.8% 0.066 22.1)
-
Step 400
400
#DB8582
oklch(70.7% 0.106 22.3)
-
Step 500
500
#CE6463
oklch(63% 0.135 22.2)
-
Step 600
600
#BA494A
oklch(55.7% 0.147 22.6)
-
Step 700
700
#A0393B
oklch(49.2% 0.137 22.5)
-
Step 800
800
#823031
oklch(42.7% 0.114 22.5)
-
Step 900
900
#692C2B
oklch(37.8% 0.088 23.1)
-
Step 950
950 (this color)
#310F0F
oklch(22.4% 0.056 22.6)
#310F0F 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) | #17150F | 0.060 |
| Deuteranopia (no green cones) | #201D0E | 0.056 |
| Tritanopia (no blue cones) | #36090F | 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°).
- #310F0F
#310F0F
oklch(22.4% 0.056 22.6)
- #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 #310F0F, 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 0.042
- Dark Brown #341C02 ΔE 0.049
- Chocolate Brown #411900 ΔE 0.056
- Mahogany #4A0100 ΔE 0.060
- Dark Plum #3F012C ΔE 0.072
- Jet #212529 ΔE 0.073
- Very Dark Brown #1D0200 ΔE 0.074
Use #310F0F 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.