#331717
Closest named color: Dark Brown (#341C02). oklch(24.5% 0.045 20.9), rgb(51, 23, 23).
Aa
White text reads best on this color (16.46:1).
About this color
#331717 is a very dark, muted red. In OKLCH its lightness is 25%, its chroma 0.045 and its hue 21°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Brown (#341C02), ΔE 0.039 away. White text reads best on it, at 16.46:1.
| Hue family | Reds |
| Lightness | very dark (25%) |
| Chroma | muted (0.045) |
| Temperature | warm |
| Nearest name | Dark Brown (#341C02) |
| Black text | 1.27:1 |
| White text | 16.46:1 |
Values
| HEX | #331717 |
| RGB | rgb(51, 23, 23) |
| HSL | hsl(0, 38%, 15%) |
| OKLCH | oklch(24.5% 0.045 20.9) |
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 #331717 | 16.46:1 | AAA | Lc -105.7 | Preferred for body text |
| Black text on #331717 | 1.27:1 | Fails | Lc 0.0 | Not readable |
| #331717 text on white | 16.46:1 | AAA | Lc 103.2 | Preferred for body text |
| #331717 text on black | 1.27:1 | 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
#FAF4F3
oklch(97.2% 0.007 28.8)
-
Step 100
100
#F4E6E5
oklch(93.6% 0.015 22.4)
-
Step 200
200
#ECD2D1
oklch(88.5% 0.029 20.4)
-
Step 300
300
#E1B4B2
oklch(81% 0.053 21.3)
-
Step 400
400
#D18B8A
oklch(70.7% 0.086 20.3)
-
Step 500
500
#C36D6D
oklch(63.1% 0.109 20.6)
-
Step 600
600
#AE5355
oklch(55.5% 0.119 20.4)
-
Step 700
700
#954345
oklch(49% 0.111 20.5)
-
Step 800
800
#793839
oklch(42.7% 0.091 20.7)
-
Step 900
900
#623131
oklch(37.7% 0.071 21)
-
Step 950
950 (this color)
#331717
oklch(24.5% 0.045 20.9)
#331717 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) | #1D1C17 | 0.048 |
| Deuteranopia (no green cones) | #242116 | 0.044 |
| Tritanopia (no blue cones) | #381317 | 0.015 |
| Achromatopsia (no color) | #1F1F1F | 0.046 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #331717
#331717
oklch(24.5% 0.045 20.9)
- #002629
#002629
oklch(24.5% 0.042 202.7)
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 #331717, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Brown #341C02 ΔE 0.039
- Chocolate Brown #411900 ΔE 0.046
- Dark Maroon #3C0008 ΔE 0.050
- Deep Brown #410200 ΔE 0.051
- Jet #212529 ΔE 0.055
- Mahogany #4A0100 ΔE 0.062
- Dark #1B2431 ΔE 0.066
- Dark Plum #3F012C ΔE 0.072
Use #331717 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.