#310F1F
Closest named color: Dark Maroon (#3C0008). oklch(23% 0.059 353.4), rgb(49, 15, 31).
Aa
White text reads best on this color (17.23:1).
About this color
#310F1F is a very dark, muted red. In OKLCH its lightness is 23%, its chroma 0.059 and its hue 353°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Maroon (#3C0008), ΔE 0.047 away. White text reads best on it, at 17.23:1.
| Hue family | Reds |
| Lightness | very dark (23%) |
| Chroma | muted (0.059) |
| Temperature | warm |
| Nearest name | Dark Maroon (#3C0008) |
| Black text | 1.21:1 |
| White text | 17.23:1 |
Values
| HEX | #310F1F |
| RGB | rgb(49, 15, 31) |
| HSL | hsl(332, 53%, 13%) |
| OKLCH | oklch(23% 0.059 353.4) |
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 #310F1F | 17.23:1 | AAA | Lc -106.2 | Preferred for body text |
| Black text on #310F1F | 1.21:1 | Fails | Lc 0.0 | Not readable |
| #310F1F text on white | 17.23:1 | AAA | Lc 103.8 | Preferred for body text |
| #310F1F 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
#FBF3F6
oklch(97.1% 0.009 352.4)
-
Step 100
100
#F6E5EB
oklch(93.7% 0.02 354)
-
Step 200
200
#EFCFDB
oklch(88.5% 0.039 353.3)
-
Step 300
300
#E6AEC4
oklch(80.9% 0.071 353.4)
-
Step 400
400
#D782A6
oklch(70.7% 0.113 353.5)
-
Step 500
500
#CA6090
oklch(63.1% 0.144 353.6)
-
Step 600
600
#B5447A
oklch(55.6% 0.156 353.7)
-
Step 700
700
#9B3567
oklch(49.1% 0.145 353.4)
-
Step 800
800
#7E2D54
oklch(42.7% 0.12 353.5)
-
Step 900
900
#662945
oklch(37.7% 0.094 353.9)
-
Step 950
950 (this color)
#310F1F
oklch(23% 0.059 353.4)
#310F1F 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) | #14171F | 0.065 |
| Deuteranopia (no green cones) | #1D1D1E | 0.059 |
| Tritanopia (no blue cones) | #350D15 | 0.020 |
| Achromatopsia (no color) | #1B1B1B | 0.060 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #310F1F
#310F1F
oklch(23% 0.059 353.4)
- #00231B
#00231B
oklch(22.9% 0.043 174.1)
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 #310F1F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Maroon #3C0008 ΔE 0.047
- Dark Plum #3F012C ΔE 0.048
- Eggplant #380835 ΔE 0.049
- Aubergine #3D0734 ΔE 0.052
- Deep Brown #410200 ΔE 0.060
- Very Dark Purple #2A0134 ΔE 0.063
- Dark Purple #35063E ΔE 0.066
- Midnight Purple #280137 ΔE 0.070
Use #310F1F 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.