#31050D
Closest named color: Dark Maroon (#3C0008). oklch(20.8% 0.071 15), rgb(49, 5, 13).
Aa
White text reads best on this color (18.13:1).
About this color
#31050D is a very dark, moderately saturated red. In OKLCH its lightness is 21%, its chroma 0.071 and its hue 15°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Maroon (#3C0008), ΔE 0.027 away. White text reads best on it, at 18.13:1.
| Hue family | Reds |
| Lightness | very dark (21%) |
| Chroma | moderately saturated (0.071) |
| Temperature | warm |
| Nearest name | Dark Maroon (#3C0008) |
| Black text | 1.15:1 |
| White text | 18.13:1 |
Values
| HEX | #31050D |
| RGB | rgb(49, 5, 13) |
| HSL | hsl(349, 81%, 11%) |
| OKLCH | oklch(20.8% 0.071 15) |
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 #31050D | 18.13:1 | AAA | Lc -106.5 | Preferred for body text |
| Black text on #31050D | 1.15:1 | Fails | Lc 0.0 | Not readable |
| #31050D text on white | 18.13:1 | AAA | Lc 104.3 | Preferred for body text |
| #31050D text on black | 1.15:1 | 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
#FDF3F3
oklch(97.2% 0.011 17.3)
-
Step 100
100
#FAE4E5
oklch(93.7% 0.024 14.4)
-
Step 200
200
#F6CDCF
oklch(88.4% 0.046 14.8)
-
Step 300
300
#F2ABAF
oklch(81% 0.084 15.4)
-
Step 400
400
#E77B85
oklch(70.6% 0.133 15.2)
-
Step 500
500
#DD5467
oklch(63.1% 0.171 15.2)
-
Step 600
600
#C8314F
oklch(55.5% 0.186 14.9)
-
Step 700
700
#AC2240
oklch(49% 0.172 14.9)
-
Step 800
800
#8C1F35
oklch(42.7% 0.144 14.7)
-
Step 900
900
#71212E
oklch(37.7% 0.112 14.9)
-
Step 950
950 (this color)
#31050D
oklch(20.8% 0.071 15)
#31050D 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) | #11100D | 0.078 |
| Deuteranopia (no green cones) | #1C190C | 0.071 |
| Tritanopia (no blue cones) | #370008 | 0.017 |
| Achromatopsia (no color) | #161616 | 0.071 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #31050D
#31050D
oklch(20.8% 0.071 15)
- #001D1D
#001D1D
oklch(20.9% 0.036 194.8)
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 #31050D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Maroon #3C0008 ΔE 0.027
- Deep Brown #410200 ΔE 0.044
- Very Dark Brown #1D0200 ΔE 0.063
- Mahogany #4A0100 ΔE 0.064
- Dark Plum #3F012C ΔE 0.067
- Dark Brown #341C02 ΔE 0.071
- Chocolate Brown #411900 ΔE 0.074
- Eggplant #380835 ΔE 0.076
Use #31050D 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.