#31071A
Closest named color: Dark Maroon (#3C0008). oklch(21.6% 0.071 357), rgb(49, 7, 26).
Aa
White text reads best on this color (17.85:1).
About this color
#31071A is a very dark, moderately saturated red. In OKLCH its lightness is 22%, its chroma 0.071 and its hue 357°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Maroon (#3C0008), ΔE 0.039 away. White text reads best on it, at 17.85:1.
| Hue family | Reds |
| Lightness | very dark (22%) |
| Chroma | moderately saturated (0.071) |
| Temperature | warm |
| Nearest name | Dark Maroon (#3C0008) |
| Black text | 1.17:1 |
| White text | 17.85:1 |
Values
| HEX | #31071A |
| RGB | rgb(49, 7, 26) |
| HSL | hsl(333, 75%, 11%) |
| OKLCH | oklch(21.6% 0.071 357) |
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 #31071A | 17.85:1 | AAA | Lc -106.5 | Preferred for body text |
| Black text on #31071A | 1.17:1 | Fails | Lc 0.0 | Not readable |
| #31071A text on white | 17.85:1 | AAA | Lc 104.1 | Preferred for body text |
| #31071A text on black | 1.17:1 | 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
#FCF2F5
oklch(97% 0.011 357)
-
Step 100
100
#F8E4EA
oklch(93.7% 0.023 357.4)
-
Step 200
200
#F4CDD9
oklch(88.5% 0.046 357.6)
-
Step 300
300
#EEAAC1
oklch(80.9% 0.085 357.2)
-
Step 400
400
#E27BA2
oklch(70.8% 0.134 357)
-
Step 500
500
#D6548B
oklch(63.1% 0.172 356.9)
-
Step 600
600
#C13375
oklch(55.6% 0.186 356.8)
-
Step 700
700
#A62462
oklch(49.1% 0.173 357)
-
Step 800
800
#872150
oklch(42.7% 0.143 357.1)
-
Step 900
900
#6D2242
oklch(37.8% 0.111 357.5)
-
Step 950
950 (this color)
#31071A
oklch(21.6% 0.071 357)
#31071A 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) | #0F121B | 0.079 |
| Deuteranopia (no green cones) | #1B1A19 | 0.070 |
| Tritanopia (no blue cones) | #36040F | 0.023 |
| Achromatopsia (no color) | #171717 | 0.072 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #31071A
#31071A
oklch(21.6% 0.071 357)
- #001F19
#001F19
oklch(21.4% 0.04 177.5)
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 #31071A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Maroon #3C0008 ΔE 0.039
- Dark Plum #3F012C ΔE 0.048
- Eggplant #380835 ΔE 0.054
- Aubergine #3D0734 ΔE 0.056
- Deep Brown #410200 ΔE 0.057
- Very Dark Purple #2A0134 ΔE 0.062
- Midnight Purple #280137 ΔE 0.069
- Dark Purple #35063E ΔE 0.070
Use #31071A 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.