#2F181C
Closest named color: Dark Brown (#341C02). oklch(24.2% 0.037 9), rgb(47, 24, 28).
Aa
White text reads best on this color (16.55:1).
About this color
#2F181C is a very dark, muted red. In OKLCH its lightness is 24%, its chroma 0.037 and its hue 9°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Brown (#341C02), ΔE 0.046 away. White text reads best on it, at 16.55:1.
| Hue family | Reds |
| Lightness | very dark (24%) |
| Chroma | muted (0.037) |
| Temperature | warm |
| Nearest name | Dark Brown (#341C02) |
| Black text | 1.26:1 |
| White text | 16.55:1 |
Values
| HEX | #2F181C |
| RGB | rgb(47, 24, 28) |
| HSL | hsl(350, 32%, 14%) |
| OKLCH | oklch(24.2% 0.037 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 #2F181C | 16.55:1 | AAA | Lc -105.9 | Preferred for body text |
| Black text on #2F181C | 1.26:1 | Fails | Lc 0.0 | Not readable |
| #2F181C text on white | 16.55:1 | AAA | Lc 103.4 | Preferred for body text |
| #2F181C text on black | 1.26:1 | 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
#F9F4F4
oklch(97.1% 0.005 17.2)
-
Step 100
100
#F2E6E8
oklch(93.5% 0.013 5.8)
-
Step 200
200
#E9D3D6
oklch(88.6% 0.025 8.2)
-
Step 300
300
#DBB5BA
oklch(80.8% 0.044 9.2)
-
Step 400
400
#C88E97
oklch(70.6% 0.071 8.8)
-
Step 500
500
#B9727E
oklch(63.2% 0.091 9)
-
Step 600
600
#A45967
oklch(55.6% 0.099 8.9)
-
Step 700
700
#8C4956
oklch(49.1% 0.091 8.7)
-
Step 800
800
#723C46
oklch(42.7% 0.076 9)
-
Step 900
900
#5C343B
oklch(37.7% 0.058 8.9)
-
Step 950
950 (this color)
#2F181C
oklch(24.2% 0.037 9)
#2F181C 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) | #1C1C1C | 0.041 |
| Deuteranopia (no green cones) | #22201C | 0.036 |
| Tritanopia (no blue cones) | #331619 | 0.010 |
| Achromatopsia (no color) | #1F1F1F | 0.037 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2F181C
#2F181C
oklch(24.2% 0.037 9)
- #052523
#052523
oklch(24.1% 0.037 189.1)
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 #2F181C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Brown #341C02 ΔE 0.046
- Jet #212529 ΔE 0.047
- Dark #1B2431 ΔE 0.056
- Chocolate Brown #411900 ΔE 0.057
- Dark Maroon #3C0008 ΔE 0.057
- Deep Brown #410200 ΔE 0.061
- Rich Black #0D1B2A ΔE 0.067
- Oxford Blue #1B263B ΔE 0.069
Use #2F181C 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.