#2D151B
Closest named color: Dark Brown (#341C02). oklch(23.2% 0.04 4.6), rgb(45, 21, 27).
Aa
White text reads best on this color (17.00:1).
About this color
#2D151B is a very dark, muted red. In OKLCH its lightness is 23%, its chroma 0.040 and its hue 5°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Brown (#341C02), ΔE 0.053 away. White text reads best on it, at 17.00:1.
| Hue family | Reds |
| Lightness | very dark (23%) |
| Chroma | muted (0.040) |
| Temperature | warm |
| Nearest name | Dark Brown (#341C02) |
| Black text | 1.23:1 |
| White text | 17.00:1 |
Values
| HEX | #2D151B |
| RGB | rgb(45, 21, 27) |
| HSL | hsl(345, 36%, 13%) |
| OKLCH | oklch(23.2% 0.04 4.6) |
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 #2D151B | 17.00:1 | AAA | Lc -106.2 | Preferred for body text |
| Black text on #2D151B | 1.23:1 | Fails | Lc 0.0 | Not readable |
| #2D151B text on white | 17.00:1 | AAA | Lc 103.8 | Preferred for body text |
| #2D151B text on black | 1.23:1 | 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
#F3E6E9
oklch(93.6% 0.015 1.6)
-
Step 200
200
#E9D2D7
oklch(88.4% 0.026 2.8)
-
Step 300
300
#DCB4BD
oklch(80.8% 0.048 3.1)
-
Step 400
400
#CA8D9A
oklch(70.7% 0.076 5.2)
-
Step 500
500
#BB7082
oklch(63.2% 0.097 4.7)
-
Step 600
600
#A6576B
oklch(55.6% 0.106 5)
-
Step 700
700
#8E475A
oklch(49.2% 0.098 4.3)
-
Step 800
800
#733B49
oklch(42.7% 0.08 5.1)
-
Step 900
900
#5D333D
oklch(37.7% 0.062 5.1)
-
Step 950
950 (this color)
#2D151B
oklch(23.2% 0.04 4.6)
#2D151B 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) | #19191B | 0.043 |
| Deuteranopia (no green cones) | #1F1E1A | 0.041 |
| Tritanopia (no blue cones) | #311317 | 0.011 |
| Achromatopsia (no color) | #1C1C1C | 0.040 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2D151B
#2D151B
oklch(23.2% 0.04 4.6)
- #012320
#012320
oklch(23.1% 0.039 186.4)
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 #2D151B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Brown #341C02 ΔE 0.053
- Dark Maroon #3C0008 ΔE 0.054
- Jet #212529 ΔE 0.054
- Dark #1B2431 ΔE 0.061
- Deep Brown #410200 ΔE 0.061
- Chocolate Brown #411900 ΔE 0.064
- Rich Black #0D1B2A ΔE 0.065
- Eggplant #380835 ΔE 0.067
Use #2D151B 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.