#331013
Closest named color: Dark Maroon (#3C0008). oklch(23.1% 0.057 17.5), rgb(51, 16, 19).
Aa
White text reads best on this color (17.15:1).
About this color
#331013 is a very dark, muted red. In OKLCH its lightness is 23%, its chroma 0.057 and its hue 17°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Maroon (#3C0008), ΔE 0.034 away. White text reads best on it, at 17.15:1.
| Hue family | Reds |
| Lightness | very dark (23%) |
| Chroma | muted (0.057) |
| Temperature | warm |
| Nearest name | Dark Maroon (#3C0008) |
| Black text | 1.22:1 |
| White text | 17.15:1 |
Values
| HEX | #331013 |
| RGB | rgb(51, 16, 19) |
| HSL | hsl(355, 52%, 13%) |
| OKLCH | oklch(23.1% 0.057 17.5) |
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 #331013 | 17.15:1 | AAA | Lc -106.1 | Preferred for body text |
| Black text on #331013 | 1.22:1 | Fails | Lc 0.0 | Not readable |
| #331013 text on white | 17.15:1 | AAA | Lc 103.7 | Preferred for body text |
| #331013 text on black | 1.22:1 | 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
#FBF3F3
oklch(97% 0.009 17.3)
-
Step 100
100
#F7E5E5
oklch(93.6% 0.02 17.5)
-
Step 200
200
#F1D0D0
oklch(88.5% 0.037 17.9)
-
Step 300
300
#E9B0B1
oklch(81% 0.067 17.5)
-
Step 400
400
#DB8488
oklch(70.6% 0.107 17.2)
-
Step 500
500
#CF636A
oklch(63.1% 0.137 17.8)
-
Step 600
600
#BA4752
oklch(55.6% 0.148 17.7)
-
Step 700
700
#A03743
oklch(49.1% 0.139 17.2)
-
Step 800
800
#822F37
oklch(42.7% 0.114 17.7)
-
Step 900
900
#692B30
oklch(37.8% 0.089 17.5)
-
Step 950
950 (this color)
#331013
oklch(23.1% 0.057 17.5)
#331013 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) | #181713 | 0.062 |
| Deuteranopia (no green cones) | #211E12 | 0.057 |
| Tritanopia (no blue cones) | #380B11 | 0.014 |
| Achromatopsia (no color) | #1B1B1B | 0.057 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #331013
#331013
oklch(23.1% 0.057 17.5)
- #002324
#002324
oklch(23.2% 0.04 197.6)
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 #331013, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Maroon #3C0008 ΔE 0.034
- Deep Brown #410200 ΔE 0.042
- Dark Brown #341C02 ΔE 0.050
- Chocolate Brown #411900 ΔE 0.054
- Mahogany #4A0100 ΔE 0.057
- Dark Plum #3F012C ΔE 0.065
- Jet #212529 ΔE 0.070
- Eggplant #380835 ΔE 0.071
Use #331013 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.