#310C1D
Closest named color: Dark Maroon (#3C0008). oklch(22.4% 0.064 355), rgb(49, 12, 29).
Aa
White text reads best on this color (17.48:1).
About this color
#310C1D is a very dark, muted red. In OKLCH its lightness is 22%, its chroma 0.064 and its hue 355°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Maroon (#3C0008), ΔE 0.043 away. White text reads best on it, at 17.48:1.
| Hue family | Reds |
| Lightness | very dark (22%) |
| Chroma | muted (0.064) |
| Temperature | warm |
| Nearest name | Dark Maroon (#3C0008) |
| Black text | 1.20:1 |
| White text | 17.48:1 |
Values
| HEX | #310C1D |
| RGB | rgb(49, 12, 29) |
| HSL | hsl(332, 61%, 12%) |
| OKLCH | oklch(22.4% 0.064 355) |
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 #310C1D | 17.48:1 | AAA | Lc -106.3 | Preferred for body text |
| Black text on #310C1D | 1.20:1 | Fails | Lc 0.0 | Not readable |
| #310C1D text on white | 17.48:1 | AAA | Lc 104.0 | Preferred for body text |
| #310C1D 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
#FBF3F6
oklch(97.1% 0.009 352.4)
-
Step 100
100
#F7E4EA
oklch(93.6% 0.022 356.3)
-
Step 200
200
#F1CEDA
oklch(88.4% 0.042 355.3)
-
Step 300
300
#E9ADC3
oklch(80.9% 0.075 355.1)
-
Step 400
400
#DB7FA4
oklch(70.6% 0.121 355.1)
-
Step 500
500
#CE5C8E
oklch(63% 0.154 354.9)
-
Step 600
600
#BA3E78
oklch(55.6% 0.168 355.2)
-
Step 700
700
#9F2F65
oklch(49% 0.156 354.9)
-
Step 800
800
#822952
oklch(42.8% 0.129 355.6)
-
Step 900
900
#692744
oklch(37.8% 0.1 355.6)
-
Step 950
950 (this color)
#310C1D
oklch(22.4% 0.064 355)
#310C1D 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) | #12151D | 0.070 |
| Deuteranopia (no green cones) | #1C1C1C | 0.064 |
| Tritanopia (no blue cones) | #350913 | 0.020 |
| Achromatopsia (no color) | #1A1A1A | 0.064 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #310C1D
#310C1D
oklch(22.4% 0.064 355)
- #00221A
#00221A
oklch(22.5% 0.043 173.7)
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 #310C1D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Maroon #3C0008 ΔE 0.043
- Dark Plum #3F012C ΔE 0.048
- Eggplant #380835 ΔE 0.050
- Aubergine #3D0734 ΔE 0.053
- Deep Brown #410200 ΔE 0.058
- Very Dark Purple #2A0134 ΔE 0.062
- Dark Purple #35063E ΔE 0.067
- Midnight Purple #280137 ΔE 0.069
Use #310C1D 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.