#2A1718
Closest named color: Dark Brown (#341C02). oklch(23.1% 0.031 16.3), rgb(42, 23, 24).
Aa
White text reads best on this color (17.01:1).
About this color
#2A1718 is a very dark, muted red. In OKLCH its lightness is 23%, its chroma 0.031 and its hue 16°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Brown (#341C02), ΔE 0.047 away. White text reads best on it, at 17.01:1.
| Hue family | Reds |
| Lightness | very dark (23%) |
| Chroma | muted (0.031) |
| Temperature | warm |
| Nearest name | Dark Brown (#341C02) |
| Black text | 1.23:1 |
| White text | 17.01:1 |
Values
| HEX | #2A1718 |
| RGB | rgb(42, 23, 24) |
| HSL | hsl(357, 29%, 13%) |
| OKLCH | oklch(23.1% 0.031 16.3) |
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 #2A1718 | 17.01:1 | AAA | Lc -106.2 | Preferred for body text |
| Black text on #2A1718 | 1.23:1 | Fails | Lc 0.0 | Not readable |
| #2A1718 text on white | 17.01:1 | AAA | Lc 103.8 | Preferred for body text |
| #2A1718 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
#F9F4F4
oklch(97.1% 0.005 17.2)
-
Step 100
100
#F1E7E7
oklch(93.6% 0.011 17.4)
-
Step 200
200
#E6D4D4
oklch(88.5% 0.02 17.5)
-
Step 300
300
#D7B8B8
oklch(80.9% 0.036 17.9)
-
Step 400
400
#C39294
oklch(70.7% 0.059 16)
-
Step 500
500
#B2777A
oklch(63.1% 0.074 16.1)
-
Step 600
600
#9D5F63
oklch(55.6% 0.081 15.9)
-
Step 700
700
#864E52
oklch(49% 0.076 15.6)
-
Step 800
800
#6D4043
oklch(42.6% 0.063 15.8)
-
Step 900
900
#593738
oklch(37.8% 0.049 17.7)
-
Step 950
950 (this color)
#2A1718
oklch(23.1% 0.031 16.3)
#2A1718 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) | #1B1A18 | 0.032 |
| Deuteranopia (no green cones) | #1F1E18 | 0.032 |
| Tritanopia (no blue cones) | #2E1517 | 0.010 |
| Achromatopsia (no color) | #1C1C1C | 0.031 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2A1718
#2A1718
oklch(23.1% 0.031 16.3)
- #082222
#082222
oklch(23.2% 0.031 195.2)
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 #2A1718, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Brown #341C02 ΔE 0.047
- Jet #212529 ΔE 0.049
- Dark #1B2431 ΔE 0.057
- Dark Maroon #3C0008 ΔE 0.060
- Rich Black #0D1B2A ΔE 0.060
- Chocolate Brown #411900 ΔE 0.063
- Deep Brown #410200 ΔE 0.065
- Oxford Blue #1B263B ΔE 0.073
Use #2A1718 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.