#310508
Closest named color: Dark Maroon (#3C0008). oklch(20.7% 0.071 21.8), rgb(49, 5, 8).
Aa
White text reads best on this color (18.16:1).
About this color
#310508 is a very dark, moderately saturated red. In OKLCH its lightness is 21%, its chroma 0.071 and its hue 22°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Maroon (#3C0008), ΔE 0.027 away. White text reads best on it, at 18.16:1.
| Hue family | Reds |
| Lightness | very dark (21%) |
| Chroma | moderately saturated (0.071) |
| Temperature | warm |
| Nearest name | Dark Maroon (#3C0008) |
| Black text | 1.15:1 |
| White text | 18.16:1 |
Values
| HEX | #310508 |
| RGB | rgb(49, 5, 8) |
| HSL | hsl(356, 81%, 11%) |
| OKLCH | oklch(20.7% 0.071 21.8) |
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 #310508 | 18.16:1 | AAA | Lc -106.6 | Preferred for body text |
| Black text on #310508 | 1.15:1 | Fails | Lc 0.0 | Not readable |
| #310508 text on white | 18.16:1 | AAA | Lc 104.3 | Preferred for body text |
| #310508 text on black | 1.15:1 | 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
#FDF3F2
oklch(97.2% 0.011 24.3)
-
Step 100
100
#FAE4E3
oklch(93.6% 0.024 20.7)
-
Step 200
200
#F7CECB
oklch(88.6% 0.047 23)
-
Step 300
300
#F2ABA8
oklch(80.8% 0.084 21.8)
-
Step 400
400
#E87C7B
oklch(70.7% 0.134 21.6)
-
Step 500
500
#DE5559
oklch(63.1% 0.171 21.7)
-
Step 600
600
#C9333F
oklch(55.6% 0.186 21.7)
-
Step 700
700
#AE2331
oklch(49.2% 0.174 21.7)
-
Step 800
800
#8D2029
oklch(42.7% 0.144 21.7)
-
Step 900
900
#712225
oklch(37.7% 0.111 22.1)
-
Step 950
950 (this color)
#310508
oklch(20.7% 0.071 21.8)
#310508 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) | #110F08 | 0.078 |
| Deuteranopia (no green cones) | #1D1907 | 0.070 |
| Tritanopia (no blue cones) | #370006 | 0.016 |
| Achromatopsia (no color) | #161616 | 0.071 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #310508
#310508
oklch(20.7% 0.071 21.8)
- #001C1E
#001C1E
oklch(20.6% 0.035 201.3)
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 #310508, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Maroon #3C0008 ΔE 0.027
- Deep Brown #410200 ΔE 0.041
- Very Dark Brown #1D0200 ΔE 0.060
- Mahogany #4A0100 ΔE 0.062
- Dark Brown #341C02 ΔE 0.067
- Chocolate Brown #411900 ΔE 0.071
- Dark Plum #3F012C ΔE 0.075
- Eggplant #380835 ΔE 0.084
Use #310508 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.