#331020
Closest named color: Dark Plum (#3F012C). oklch(23.5% 0.06 354.2), rgb(51, 16, 32).
Aa
White text reads best on this color (16.99:1).
About this color
#331020 is a very dark, muted red. In OKLCH its lightness is 24%, its chroma 0.060 and its hue 354°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Plum (#3F012C), ΔE 0.046 away. White text reads best on it, at 16.99:1.
| Hue family | Reds |
| Lightness | very dark (24%) |
| Chroma | muted (0.060) |
| Temperature | warm |
| Nearest name | Dark Plum (#3F012C) |
| Black text | 1.23:1 |
| White text | 16.99:1 |
Values
| HEX | #331020 |
| RGB | rgb(51, 16, 32) |
| HSL | hsl(333, 52%, 13%) |
| OKLCH | oklch(23.5% 0.06 354.2) |
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 #331020 | 16.99:1 | AAA | Lc -106.0 | Preferred for body text |
| Black text on #331020 | 1.23:1 | Fails | Lc 0.0 | Not readable |
| #331020 text on white | 16.99:1 | AAA | Lc 103.6 | Preferred for body text |
| #331020 text on black | 1.23:1 | 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
#FBF3F6
oklch(97.1% 0.009 352.4)
-
Step 100
100
#F6E4EB
oklch(93.5% 0.022 351.9)
-
Step 200
200
#F0CFDB
oklch(88.6% 0.04 354)
-
Step 300
300
#E7AEC4
oklch(81% 0.072 353.8)
-
Step 400
400
#D882A5
oklch(70.8% 0.114 354.5)
-
Step 500
500
#CB5F8F
oklch(63.1% 0.146 354.2)
-
Step 600
600
#B64379
oklch(55.6% 0.158 354.4)
-
Step 700
700
#9C3466
oklch(49.1% 0.147 354.2)
-
Step 800
800
#7F2C53
oklch(42.7% 0.122 354.4)
-
Step 900
900
#672945
oklch(37.8% 0.095 354.4)
-
Step 950
950 (this color)
#331020
oklch(23.5% 0.06 354.2)
#331020 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) | #151820 | 0.067 |
| Deuteranopia (no green cones) | #1E1F1F | 0.062 |
| Tritanopia (no blue cones) | #370E16 | 0.020 |
| Achromatopsia (no color) | #1C1C1C | 0.061 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #331020
#331020
oklch(23.5% 0.06 354.2)
- #00251D
#00251D
oklch(23.6% 0.045 174.8)
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 #331020, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Plum #3F012C ΔE 0.046
- Dark Maroon #3C0008 ΔE 0.046
- Eggplant #380835 ΔE 0.048
- Aubergine #3D0734 ΔE 0.049
- Deep Brown #410200 ΔE 0.058
- Dark Purple #35063E ΔE 0.065
- Very Dark Purple #2A0134 ΔE 0.066
- Dark Brown #341C02 ΔE 0.069
Use #331020 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.