#310B1D
Closest named color: Dark Maroon (#3C0008). oklch(22.3% 0.065 354.4), rgb(49, 11, 29).
Aa
White text reads best on this color (17.55:1).
About this color
#310B1D is a very dark, muted red. In OKLCH its lightness is 22%, its chroma 0.065 and its hue 354°. 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 17.55:1.
| Hue family | Reds |
| Lightness | very dark (22%) |
| Chroma | muted (0.065) |
| Temperature | warm |
| Nearest name | Dark Maroon (#3C0008) |
| Black text | 1.19:1 |
| White text | 17.55:1 |
Values
| HEX | #310B1D |
| RGB | rgb(49, 11, 29) |
| HSL | hsl(332, 63%, 12%) |
| OKLCH | oklch(22.3% 0.065 354.4) |
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 #310B1D | 17.55:1 | AAA | Lc -106.3 | Preferred for body text |
| Black text on #310B1D | 1.19:1 | Fails | Lc 0.0 | Not readable |
| #310B1D text on white | 17.55:1 | AAA | Lc 104.0 | Preferred for body text |
| #310B1D text on black | 1.19:1 | 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
#FCF3F6
oklch(97.2% 0.01 354.9)
-
Step 100
100
#F7E4EB
oklch(93.6% 0.023 353.2)
-
Step 200
200
#F1CEDB
oklch(88.5% 0.043 353.6)
-
Step 300
300
#EAACC4
oklch(80.9% 0.079 354)
-
Step 400
400
#DC7EA5
oklch(70.6% 0.124 354.4)
-
Step 500
500
#D05A8F
oklch(63.1% 0.159 354.5)
-
Step 600
600
#BB3C79
oklch(55.6% 0.172 354.6)
-
Step 700
700
#A12D66
oklch(49.2% 0.16 354.6)
-
Step 800
800
#832753
oklch(42.8% 0.133 354.8)
-
Step 900
900
#692545
oklch(37.6% 0.104 354)
-
Step 950
950 (this color)
#310B1D
oklch(22.3% 0.065 354.4)
#310B1D 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) | #11151E | 0.073 |
| Deuteranopia (no green cones) | #1C1C1C | 0.066 |
| Tritanopia (no blue cones) | #350812 | 0.022 |
| Achromatopsia (no color) | #191919 | 0.066 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #310B1D
#310B1D
oklch(22.3% 0.065 354.4)
- #00211A
#00211A
oklch(22.1% 0.041 175.7)
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 #310B1D, 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 0.047
- Eggplant #380835 ΔE 0.050
- Aubergine #3D0734 ΔE 0.052
- Deep Brown #410200 ΔE 0.059
- Very Dark Purple #2A0134 ΔE 0.061
- Dark Purple #35063E ΔE 0.066
- Midnight Purple #280137 ΔE 0.067
Use #310B1D 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.