#310F1B
Closest named color: Dark Maroon (#3C0008). oklch(22.8% 0.057 0.6), rgb(49, 15, 27).
Aa
White text reads best on this color (17.28:1).
About this color
#310F1B is a very dark, muted red. In OKLCH its lightness is 23%, its chroma 0.057 and its hue 1°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Maroon (#3C0008), ΔE 0.042 away. White text reads best on it, at 17.28:1.
| Hue family | Reds |
| Lightness | very dark (23%) |
| Chroma | muted (0.057) |
| Temperature | warm |
| Nearest name | Dark Maroon (#3C0008) |
| Black text | 1.21:1 |
| White text | 17.28:1 |
Values
| HEX | #310F1B |
| RGB | rgb(49, 15, 27) |
| HSL | hsl(339, 53%, 13%) |
| OKLCH | oklch(22.8% 0.057 0.6) |
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 #310F1B | 17.28:1 | AAA | Lc -106.2 | Preferred for body text |
| Black text on #310F1B | 1.21:1 | Fails | Lc 0.0 | Not readable |
| #310F1B text on white | 17.28:1 | AAA | Lc 103.9 | Preferred for body text |
| #310F1B 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
#FBF3F5
oklch(97.1% 0.009 0.1)
-
Step 100
100
#F6E5E9
oklch(93.7% 0.019 1.4)
-
Step 200
200
#F0CFD8
oklch(88.5% 0.039 359.6)
-
Step 300
300
#E7AFBE
oklch(81% 0.068 1)
-
Step 400
400
#D8839D
oklch(70.7% 0.109 0.5)
-
Step 500
500
#CB6285
oklch(63.2% 0.138 0.7)
-
Step 600
600
#B6466F
oklch(55.6% 0.15 0.5)
-
Step 700
700
#9C365C
oklch(49% 0.14 0.7)
-
Step 800
800
#7F2E4C
oklch(42.7% 0.116 0.3)
-
Step 900
900
#672A3F
oklch(37.8% 0.091 0.8)
-
Step 950
950 (this color)
#310F1B
oklch(22.8% 0.057 0.6)
#310F1B 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) | #15171B | 0.063 |
| Deuteranopia (no green cones) | #1E1D1A | 0.058 |
| Tritanopia (no blue cones) | #350C14 | 0.015 |
| Achromatopsia (no color) | #1B1B1B | 0.058 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #310F1B
#310F1B
oklch(22.8% 0.057 0.6)
- #00231D
#00231D
oklch(22.9% 0.042 178.8)
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 #310F1B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Maroon #3C0008 ΔE 0.042
- Dark Plum #3F012C ΔE 0.054
- Deep Brown #410200 ΔE 0.054
- Eggplant #380835 ΔE 0.057
- Aubergine #3D0734 ΔE 0.058
- Dark Brown #341C02 ΔE 0.064
- Mahogany #4A0100 ΔE 0.068
- Chocolate Brown #411900 ΔE 0.069
Use #310F1B 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.