#310F15
Closest named color: Dark Maroon (#3C0008). oklch(22.6% 0.056 11.8), rgb(49, 15, 21).
Aa
White text reads best on this color (17.35:1).
About this color
#310F15 is a very dark, muted red. In OKLCH its lightness is 23%, its chroma 0.056 and its hue 12°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Maroon (#3C0008), ΔE 0.037 away. White text reads best on it, at 17.35:1.
| Hue family | Reds |
| Lightness | very dark (23%) |
| Chroma | muted (0.056) |
| Temperature | warm |
| Nearest name | Dark Maroon (#3C0008) |
| Black text | 1.20:1 |
| White text | 17.35:1 |
Values
| HEX | #310F15 |
| RGB | rgb(49, 15, 21) |
| HSL | hsl(349, 53%, 13%) |
| OKLCH | oklch(22.6% 0.056 11.8) |
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 #310F15 | 17.35:1 | AAA | Lc -106.3 | Preferred for body text |
| Black text on #310F15 | 1.20:1 | Fails | Lc 0.0 | Not readable |
| #310F15 text on white | 17.35:1 | AAA | Lc 103.9 | Preferred for body text |
| #310F15 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
#FBF3F4
oklch(97.1% 0.009 8.5)
-
Step 100
100
#F6E5E6
oklch(93.6% 0.019 13.4)
-
Step 200
200
#F0D0D3
oklch(88.5% 0.036 11.4)
-
Step 300
300
#E8B0B5
oklch(81% 0.066 12.7)
-
Step 400
400
#D9848F
oklch(70.6% 0.105 11.7)
-
Step 500
500
#CD6374
oklch(63.1% 0.135 11.7)
-
Step 600
600
#B8475C
oklch(55.5% 0.147 11.9)
-
Step 700
700
#9E384C
oklch(49.1% 0.136 11.8)
-
Step 800
800
#802F3E
oklch(42.6% 0.112 12)
-
Step 900
900
#682B35
oklch(37.8% 0.088 12.1)
-
Step 950
950 (this color)
#310F15
oklch(22.6% 0.056 11.8)
#310F15 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) | #161615 | 0.062 |
| Deuteranopia (no green cones) | #1F1D14 | 0.057 |
| Tritanopia (no blue cones) | #360A11 | 0.015 |
| Achromatopsia (no color) | #1A1A1A | 0.056 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #310F15
#310F15
oklch(22.6% 0.056 11.8)
- #002221
#002221
oklch(22.8% 0.039 191.9)
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 #310F15, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Maroon #3C0008 ΔE 0.037
- Deep Brown #410200 ΔE 0.047
- Dark Brown #341C02 ΔE 0.056
- Chocolate Brown #411900 ΔE 0.062
- Dark Plum #3F012C ΔE 0.063
- Mahogany #4A0100 ΔE 0.063
- Eggplant #380835 ΔE 0.068
- Aubergine #3D0734 ΔE 0.069
Use #310F15 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.