#310517
Closest named color: Dark Maroon (#3C0008). oklch(21.2% 0.073 0.4), rgb(49, 5, 23).
Aa
White text reads best on this color (18.03:1).
About this color
#310517 is a very dark, moderately saturated red. In OKLCH its lightness is 21%, its chroma 0.073 and its hue 0°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Maroon (#3C0008), ΔE 0.036 away. White text reads best on it, at 18.03:1.
| Hue family | Reds |
| Lightness | very dark (21%) |
| Chroma | moderately saturated (0.073) |
| Temperature | warm |
| Nearest name | Dark Maroon (#3C0008) |
| Black text | 1.16:1 |
| White text | 18.03:1 |
Values
| HEX | #310517 |
| RGB | rgb(49, 5, 23) |
| HSL | hsl(335, 81%, 11%) |
| OKLCH | oklch(21.2% 0.073 0.4) |
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 #310517 | 18.03:1 | AAA | Lc -106.5 | Preferred for body text |
| Black text on #310517 | 1.16:1 | Fails | Lc 0.0 | Not readable |
| #310517 text on white | 18.03:1 | AAA | Lc 104.2 | Preferred for body text |
| #310517 text on black | 1.16:1 | 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
#FDF2F5
oklch(97.1% 0.012 358.8)
-
Step 100
100
#F9E3E9
oklch(93.5% 0.025 359.2)
-
Step 200
200
#F5CDD7
oklch(88.5% 0.047 1.3)
-
Step 300
300
#F0AABE
oklch(81% 0.086 0.5)
-
Step 400
400
#E5799C
oklch(70.7% 0.138 0.6)
-
Step 500
500
#DA5184
oklch(63.1% 0.177 0.5)
-
Step 600
600
#C52E6E
oklch(55.6% 0.192 0.3)
-
Step 700
700
#AA1E5C
oklch(49.2% 0.179 0.3)
-
Step 800
800
#8A1D4B
oklch(42.7% 0.148 0.5)
-
Step 900
900
#6F203F
oklch(37.8% 0.115 0.2)
-
Step 950
950 (this color)
#310517
oklch(21.2% 0.073 0.4)
#310517 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) | #0E1117 | 0.083 |
| Deuteranopia (no green cones) | #1A1A16 | 0.076 |
| Tritanopia (no blue cones) | #36010C | 0.022 |
| Achromatopsia (no color) | #161616 | 0.074 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #310517
#310517
oklch(21.2% 0.073 0.4)
- #001E19
#001E19
oklch(21.1% 0.038 179.9)
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 #310517, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Maroon #3C0008 ΔE 0.036
- Dark Plum #3F012C ΔE 0.052
- Deep Brown #410200 ΔE 0.055
- Eggplant #380835 ΔE 0.059
- Aubergine #3D0734 ΔE 0.061
- Very Dark Purple #2A0134 ΔE 0.066
- Mahogany #4A0100 ΔE 0.071
- Midnight Purple #280137 ΔE 0.073
Use #310517 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.