#31081F
Closest named color: Dark Plum (#3F012C). oklch(21.9% 0.072 350.1), rgb(49, 8, 31).
Aa
White text reads best on this color (17.71:1).
About this color
#31081F is a very dark, moderately saturated red. In OKLCH its lightness is 22%, its chroma 0.072 and its hue 350°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Plum (#3F012C), ΔE 0.042 away. White text reads best on it, at 17.71:1.
| Hue family | Reds |
| Lightness | very dark (22%) |
| Chroma | moderately saturated (0.072) |
| Temperature | warm |
| Nearest name | Dark Plum (#3F012C) |
| Black text | 1.18:1 |
| White text | 17.71:1 |
Values
| HEX | #31081F |
| RGB | rgb(49, 8, 31) |
| HSL | hsl(326, 72%, 11%) |
| OKLCH | oklch(21.9% 0.072 350.1) |
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 #31081F | 17.71:1 | AAA | Lc -106.4 | Preferred for body text |
| Black text on #31081F | 1.18:1 | Fails | Lc 0.0 | Not readable |
| #31081F text on white | 17.71:1 | AAA | Lc 104.1 | Preferred for body text |
| #31081F text on black | 1.18:1 | 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
#FCF2F6
oklch(97% 0.012 351)
-
Step 100
100
#F8E4EC
oklch(93.7% 0.024 351.3)
-
Step 200
200
#F3CDDD
oklch(88.5% 0.047 350.9)
-
Step 300
300
#ECAAC8
oklch(80.9% 0.086 350.3)
-
Step 400
400
#DF7BAC
oklch(70.8% 0.136 350.4)
-
Step 500
500
#D35598
oklch(63.2% 0.174 350.2)
-
Step 600
600
#BE3482
oklch(55.6% 0.189 350.3)
-
Step 700
700
#A3246E
oklch(49% 0.176 350.1)
-
Step 800
800
#85215A
oklch(42.8% 0.146 350.1)
-
Step 900
900
#6B224A
oklch(37.7% 0.113 350)
-
Step 950
950 (this color)
#31081F
oklch(21.9% 0.072 350.1)
#31081F 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) | #0E1420 | 0.080 |
| Deuteranopia (no green cones) | #1A1B1E | 0.071 |
| Tritanopia (no blue cones) | #350612 | 0.026 |
| Achromatopsia (no color) | #181818 | 0.073 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #31081F
#31081F
oklch(21.9% 0.072 350.1)
- #002117
#002117
oklch(22% 0.044 168.9)
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 #31081F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Plum #3F012C ΔE 0.042
- Eggplant #380835 ΔE 0.045
- Dark Maroon #3C0008 ΔE 0.047
- Aubergine #3D0734 ΔE 0.048
- Very Dark Purple #2A0134 ΔE 0.054
- Midnight Purple #280137 ΔE 0.061
- Dark Purple #35063E ΔE 0.061
- Deep Brown #410200 ΔE 0.064
Use #31081F 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.