#310A1F
Closest named color: Dark Plum (#3F012C). oklch(22.2% 0.068 350.8), rgb(49, 10, 31).
Aa
White text reads best on this color (17.59:1).
About this color
#310A1F is a very dark, muted red. In OKLCH its lightness is 22%, its chroma 0.068 and its hue 351°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Plum (#3F012C), ΔE 0.043 away. White text reads best on it, at 17.59:1.
| Hue family | Reds |
| Lightness | very dark (22%) |
| Chroma | muted (0.068) |
| Temperature | warm |
| Nearest name | Dark Plum (#3F012C) |
| Black text | 1.19:1 |
| White text | 17.59:1 |
Values
| HEX | #310A1F |
| RGB | rgb(49, 10, 31) |
| HSL | hsl(328, 66%, 12%) |
| OKLCH | oklch(22.2% 0.068 350.8) |
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 #310A1F | 17.59:1 | AAA | Lc -106.4 | Preferred for body text |
| Black text on #310A1F | 1.19:1 | Fails | Lc 0.0 | Not readable |
| #310A1F text on white | 17.59:1 | AAA | Lc 104.0 | Preferred for body text |
| #310A1F 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
#F7E4EC
oklch(93.6% 0.023 350.1)
-
Step 200
200
#F2CEDD
oklch(88.6% 0.045 351)
-
Step 300
300
#EAACC7
oklch(81% 0.08 351.2)
-
Step 400
400
#DD7DAB
oklch(70.8% 0.13 350.8)
-
Step 500
500
#D05896
oklch(63.1% 0.165 350.7)
-
Step 600
600
#BB3980
oklch(55.6% 0.179 350.9)
-
Step 700
700
#A12A6C
oklch(49.1% 0.167 351.1)
-
Step 800
800
#832558
oklch(42.7% 0.138 351.2)
-
Step 900
900
#6A2449
oklch(37.8% 0.109 350.8)
-
Step 950
950 (this color)
#310A1F
oklch(22.2% 0.068 350.8)
#310A1F 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) | #101520 | 0.075 |
| Deuteranopia (no green cones) | #1B1C1E | 0.068 |
| Tritanopia (no blue cones) | #350813 | 0.024 |
| Achromatopsia (no color) | #191919 | 0.069 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #310A1F
#310A1F
oklch(22.2% 0.068 350.8)
- #002118
#002118
oklch(22.1% 0.043 171.1)
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 #310A1F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Plum #3F012C ΔE 0.043
- Eggplant #380835 ΔE 0.046
- Dark Maroon #3C0008 ΔE 0.046
- Aubergine #3D0734 ΔE 0.049
- Very Dark Purple #2A0134 ΔE 0.056
- Dark Purple #35063E ΔE 0.062
- Deep Brown #410200 ΔE 0.062
- Midnight Purple #280137 ΔE 0.063
Use #310A1F 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.