#310F1D
Closest named color: Dark Maroon (#3C0008). oklch(22.9% 0.058 357), rgb(49, 15, 29).
Aa
White text reads best on this color (17.26:1).
About this color
#310F1D is a very dark, muted red. In OKLCH its lightness is 23%, its chroma 0.058 and its hue 357°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Maroon (#3C0008), ΔE 0.044 away. White text reads best on it, at 17.26:1.
| Hue family | Reds |
| Lightness | very dark (23%) |
| Chroma | muted (0.058) |
| Temperature | warm |
| Nearest name | Dark Maroon (#3C0008) |
| Black text | 1.21:1 |
| White text | 17.26:1 |
Values
| HEX | #310F1D |
| RGB | rgb(49, 15, 29) |
| HSL | hsl(335, 53%, 13%) |
| OKLCH | oklch(22.9% 0.058 357) |
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 #310F1D | 17.26:1 | AAA | Lc -106.2 | Preferred for body text |
| Black text on #310F1D | 1.21:1 | Fails | Lc 0.0 | Not readable |
| #310F1D text on white | 17.26:1 | AAA | Lc 103.9 | Preferred for body text |
| #310F1D text on black | 1.21:1 | 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
#FBF3F5
oklch(97.1% 0.009 0.1)
-
Step 100
100
#F6E5EA
oklch(93.7% 0.02 357.6)
-
Step 200
200
#EFCFD9
oklch(88.4% 0.038 357.1)
-
Step 300
300
#E6AFC1
oklch(80.9% 0.068 357.3)
-
Step 400
400
#D783A2
oklch(70.7% 0.109 356.6)
-
Step 500
500
#CA618B
oklch(63.1% 0.141 356.7)
-
Step 600
600
#B54575
oklch(55.6% 0.153 356.6)
-
Step 700
700
#9C3662
oklch(49.2% 0.142 357)
-
Step 800
800
#7F2D50
oklch(42.7% 0.119 356.9)
-
Step 900
900
#662A42
oklch(37.7% 0.091 357.3)
-
Step 950
950 (this color)
#310F1D
oklch(22.9% 0.058 357)
#310F1D 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) | #14171D | 0.065 |
| Deuteranopia (no green cones) | #1D1D1C | 0.059 |
| Tritanopia (no blue cones) | #350D14 | 0.018 |
| Achromatopsia (no color) | #1B1B1B | 0.059 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #310F1D
#310F1D
oklch(22.9% 0.058 357)
- #00231C
#00231C
oklch(22.9% 0.043 176.4)
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 #310F1D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Maroon #3C0008 ΔE 0.044
- Dark Plum #3F012C ΔE 0.051
- Eggplant #380835 ΔE 0.053
- Aubergine #3D0734 ΔE 0.055
- Deep Brown #410200 ΔE 0.057
- Very Dark Purple #2A0134 ΔE 0.067
- Dark Brown #341C02 ΔE 0.067
- Dark Purple #35063E ΔE 0.070
Use #310F1D 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.