#2C151B
Closest named color: Jet (#212529). oklch(23.1% 0.038 3.8), rgb(44, 21, 27).
Aa
White text reads best on this color (17.07:1).
About this color
#2C151B is a very dark, muted red. In OKLCH its lightness is 23%, its chroma 0.038 and its hue 4°. Its hue sits on the warm side of the wheel. The nearest named color is Jet (#212529), ΔE 0.054 away. White text reads best on it, at 17.07:1.
| Hue family | Reds |
| Lightness | very dark (23%) |
| Chroma | muted (0.038) |
| Temperature | warm |
| Nearest name | Jet (#212529) |
| Black text | 1.23:1 |
| White text | 17.07:1 |
Values
| HEX | #2C151B |
| RGB | rgb(44, 21, 27) |
| HSL | hsl(344, 35%, 13%) |
| OKLCH | oklch(23.1% 0.038 3.8) |
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 #2C151B | 17.07:1 | AAA | Lc -106.2 | Preferred for body text |
| Black text on #2C151B | 1.23:1 | Fails | Lc 0.0 | Not readable |
| #2C151B text on white | 17.07:1 | AAA | Lc 103.9 | Preferred for body text |
| #2C151B 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
#F2E6E9
oklch(93.5% 0.014 0.3)
-
Step 200
200
#E9D3D7
oklch(88.6% 0.025 5.2)
-
Step 300
300
#DBB5BD
oklch(80.9% 0.045 4)
-
Step 400
400
#C88E9B
oklch(70.7% 0.072 4.3)
-
Step 500
500
#B97183
oklch(63.1% 0.093 3.9)
-
Step 600
600
#A4586D
oklch(55.6% 0.102 3.3)
-
Step 700
700
#8C485B
oklch(49.1% 0.094 3.4)
-
Step 800
800
#723C4A
oklch(42.8% 0.077 4.3)
-
Step 900
900
#5C333E
oklch(37.6% 0.061 3.1)
-
Step 950
950 (this color)
#2C151B
oklch(23.1% 0.038 3.8)
#2C151B 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 | 0.041 |
| Deuteranopia (no green cones) | #1E1D1B | 0.038 |
| Tritanopia (no blue cones) | #301317 | 0.011 |
| Achromatopsia (no color) | #1C1C1C | 0.039 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2C151B
#2C151B
oklch(23.1% 0.038 3.8)
- #02231F
#02231F
oklch(23.1% 0.039 183.5)
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 #2C151B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Jet #212529 ΔE 0.054
- Dark Brown #341C02 ΔE 0.054
- Dark Maroon #3C0008 ΔE 0.055
- Dark #1B2431 ΔE 0.060
- Rich Black #0D1B2A ΔE 0.063
- Deep Brown #410200 ΔE 0.063
- Chocolate Brown #411900 ΔE 0.066
- Eggplant #380835 ΔE 0.068
Use #2C151B 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.