#310F05
Closest named color: Dark Maroon (#3C0008). oklch(22.2% 0.059 38), rgb(49, 15, 5).
Aa
White text reads best on this color (17.48:1).
About this color
#310F05 is a very dark, muted red. In OKLCH its lightness is 22%, its chroma 0.059 and its hue 38°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Maroon (#3C0008), ΔE 0.039 away. White text reads best on it, at 17.48:1.
| Hue family | Reds |
| Lightness | very dark (22%) |
| Chroma | muted (0.059) |
| Temperature | warm |
| Nearest name | Dark Maroon (#3C0008) |
| Black text | 1.20:1 |
| White text | 17.48:1 |
Values
| HEX | #310F05 |
| RGB | rgb(49, 15, 5) |
| HSL | hsl(14, 81%, 11%) |
| OKLCH | oklch(22.2% 0.059 38) |
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 #310F05 | 17.48:1 | AAA | Lc -106.3 | Preferred for body text |
| Black text on #310F05 | 1.20:1 | Fails | Lc 0.0 | Not readable |
| #310F05 text on white | 17.48:1 | AAA | Lc 104.0 | Preferred for body text |
| #310F05 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
#FBF3F1
oklch(97% 0.009 34.3)
-
Step 100
100
#F7E6E0
oklch(93.7% 0.02 40.5)
-
Step 200
200
#F1D1C7
oklch(88.5% 0.039 38.1)
-
Step 300
300
#E9B2A0
oklch(80.9% 0.069 38.9)
-
Step 400
400
#DC876D
oklch(70.7% 0.111 37.8)
-
Step 500
500
#D06645
oklch(63.1% 0.143 37.9)
-
Step 600
600
#BB4A25
oklch(55.5% 0.154 37.9)
-
Step 700
700
#A13B17
oklch(49.1% 0.143 38.3)
-
Step 800
800
#833116
oklch(42.7% 0.12 37.9)
-
Step 900
900
#6A2D19
oklch(37.8% 0.093 38.4)
-
Step 950
950 (this color)
#310F05
oklch(22.2% 0.059 38)
#310F05 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) | #181504 | 0.059 |
| Deuteranopia (no green cones) | #211C04 | 0.052 |
| Tritanopia (no blue cones) | #37070D | 0.027 |
| Achromatopsia (no color) | #1A1A1A | 0.059 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #310F05
#310F05
oklch(22.2% 0.059 38)
- #001F27
#001F27
oklch(22.1% 0.04 218.1)
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 #310F05, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Maroon #3C0008 ΔE 0.039
- Deep Brown #410200 ΔE 0.040
- Dark Brown #341C02 ΔE 0.041
- Chocolate Brown #411900 ΔE 0.051
- Mahogany #4A0100 ΔE 0.059
- Very Dark Brown #1D0200 ΔE 0.071
- Jet #212529 ΔE 0.078
- Dark Plum #3F012C ΔE 0.086
Use #310F05 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.