#2C181F
Closest named color: Jet (#212529). oklch(23.9% 0.034 357.5), rgb(44, 24, 31).
Aa
White text reads best on this color (16.69:1).
About this color
#2C181F is a very dark, muted red. In OKLCH its lightness is 24%, its chroma 0.034 and its hue 357°. Its hue sits on the warm side of the wheel. The nearest named color is Jet (#212529), ΔE 0.045 away. White text reads best on it, at 16.69:1.
| Hue family | Reds |
| Lightness | very dark (24%) |
| Chroma | muted (0.034) |
| Temperature | warm |
| Nearest name | Jet (#212529) |
| Black text | 1.25:1 |
| White text | 16.69:1 |
Values
| HEX | #2C181F |
| RGB | rgb(44, 24, 31) |
| HSL | hsl(339, 29%, 13%) |
| OKLCH | oklch(23.9% 0.034 357.5) |
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 #2C181F | 16.69:1 | AAA | Lc -106.0 | Preferred for body text |
| Black text on #2C181F | 1.25:1 | Fails | Lc 0.0 | Not readable |
| #2C181F text on white | 16.69:1 | AAA | Lc 103.6 | Preferred for body text |
| #2C181F text on black | 1.25:1 | 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
#F9F4F5
oklch(97.1% 0.006 3.3)
-
Step 100
100
#F1E7EA
oklch(93.7% 0.012 357)
-
Step 200
200
#E6D3D9
oklch(88.4% 0.022 356.4)
-
Step 300
300
#D7B6C1
oklch(80.8% 0.041 356)
-
Step 400
400
#C390A1
oklch(70.7% 0.065 357.1)
-
Step 500
500
#B2748A
oklch(63% 0.083 356.9)
-
Step 600
600
#9D5C74
oklch(55.5% 0.09 356.8)
-
Step 700
700
#864C61
oklch(49.1% 0.083 357.4)
-
Step 800
800
#6D3E4F
oklch(42.6% 0.069 357.3)
-
Step 900
900
#593542
oklch(37.7% 0.055 356.8)
-
Step 950
950 (this color)
#2C181F
oklch(23.9% 0.034 357.5)
#2C181F 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) | #1B1C1F | 0.036 |
| Deuteranopia (no green cones) | #1F1F1F | 0.034 |
| Tritanopia (no blue cones) | #2F171A | 0.011 |
| Achromatopsia (no color) | #1E1E1E | 0.034 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2C181F
#2C181F
oklch(23.9% 0.034 357.5)
- #0A241F
#0A241F
oklch(23.8% 0.033 178.7)
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 #2C181F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Jet #212529 ΔE 0.045
- Dark #1B2431 ΔE 0.051
- Dark Brown #341C02 ΔE 0.054
- Rich Black #0D1B2A ΔE 0.059
- Dark Maroon #3C0008 ΔE 0.062
- Oxford Blue #1B263B ΔE 0.064
- Chocolate Brown #411900 ΔE 0.065
- Eggplant #380835 ΔE 0.067
Use #2C181F 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.