#331017
Closest named color: Dark Maroon (#3C0008). oklch(23.2% 0.057 10.3), rgb(51, 16, 23).
Aa
White text reads best on this color (17.11:1).
About this color
#331017 is a very dark, muted red. In OKLCH its lightness is 23%, its chroma 0.057 and its hue 10°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Maroon (#3C0008), ΔE 0.037 away. White text reads best on it, at 17.11:1.
| 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 | 17.11:1 |
Values
| HEX | #331017 |
| RGB | rgb(51, 16, 23) |
| HSL | hsl(348, 52%, 13%) |
| OKLCH | oklch(23.2% 0.057 10.3) |
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 #331017 | 17.11:1 | AAA | Lc -106.1 | Preferred for body text |
| Black text on #331017 | 1.22:1 | Fails | Lc 0.0 | Not readable |
| #331017 text on white | 17.11:1 | AAA | Lc 103.7 | Preferred for body text |
| #331017 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
#FBF3F4
oklch(97.1% 0.009 8.5)
-
Step 100
100
#F7E5E7
oklch(93.7% 0.02 9.8)
-
Step 200
200
#F1D0D3
oklch(88.6% 0.037 11.7)
-
Step 300
300
#E8AFB6
oklch(80.8% 0.067 10.5)
-
Step 400
400
#DA8391
oklch(70.6% 0.108 9.8)
-
Step 500
500
#CE6276
oklch(63.2% 0.138 10.3)
-
Step 600
600
#B9465E
oklch(55.6% 0.149 10.7)
-
Step 700
700
#9F364E
oklch(49% 0.14 10.1)
-
Step 800
800
#812E40
oklch(42.7% 0.115 10.2)
-
Step 900
900
#682A36
oklch(37.6% 0.09 10.4)
-
Step 950
950 (this color)
#331017
oklch(23.2% 0.057 10.3)
#331017 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) | #171717 | 0.063 |
| Deuteranopia (no green cones) | #201E16 | 0.058 |
| Tritanopia (no blue cones) | #380B13 | 0.015 |
| Achromatopsia (no color) | #1C1C1C | 0.057 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #331017
#331017
oklch(23.2% 0.057 10.3)
- #002322
#002322
oklch(23.1% 0.04 192)
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 #331017, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Maroon #3C0008 ΔE 0.037
- Deep Brown #410200 ΔE 0.046
- Dark Brown #341C02 ΔE 0.055
- Chocolate Brown #411900 ΔE 0.059
- Dark Plum #3F012C ΔE 0.059
- Mahogany #4A0100 ΔE 0.060
- Eggplant #380835 ΔE 0.064
- Aubergine #3D0734 ΔE 0.065
Use #331017 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.