#2A1003
Closest named color: Dark Brown (#341C02). oklch(21% 0.05 47.9), rgb(42, 16, 3).
Aa
White text reads best on this color (17.88:1).
About this color
#2A1003 is a very dark, muted brown. In OKLCH its lightness is 21%, its chroma 0.050 and its hue 48°. 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 17.88:1.
| Hue family | Browns |
| Lightness | very dark (21%) |
| Chroma | muted (0.050) |
| Temperature | warm |
| Nearest name | Dark Brown (#341C02) |
| Black text | 1.17:1 |
| White text | 17.88:1 |
Values
| HEX | #2A1003 |
| RGB | rgb(42, 16, 3) |
| HSL | hsl(20, 87%, 9%) |
| OKLCH | oklch(21% 0.05 47.9) |
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 #2A1003 | 17.88:1 | AAA | Lc -106.7 | Preferred for body text |
| Black text on #2A1003 | 1.17:1 | Fails | Lc 0.0 | Not readable |
| #2A1003 text on white | 17.88:1 | AAA | Lc 104.4 | Preferred for body text |
| #2A1003 text on black | 1.17:1 | 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
#FAF4F1
oklch(97.1% 0.008 48.7)
-
Step 100
100
#F4E7E0
oklch(93.6% 0.017 50.4)
-
Step 200
200
#ECD3C7
oklch(88.4% 0.032 47.3)
-
Step 300
300
#E1B6A0
oklch(80.9% 0.059 48.5)
-
Step 400
400
#D18F6D
oklch(70.8% 0.093 48)
-
Step 500
500
#C37145
oklch(63.1% 0.119 47.8)
-
Step 600
600
#AF5724
oklch(55.6% 0.131 47.4)
-
Step 700
700
#964716
oklch(49.1% 0.121 47.8)
-
Step 800
800
#7A3B16
oklch(42.8% 0.1 47.7)
-
Step 900
900
#623319
oklch(37.6% 0.078 47.9)
-
Step 950
950 (this color)
#2A1003
oklch(21% 0.05 47.9)
#2A1003 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) | #171402 | 0.045 |
| Deuteranopia (no green cones) | #1E1903 | 0.038 |
| Tritanopia (no blue cones) | #2F0A0D | 0.029 |
| Achromatopsia (no color) | #171717 | 0.050 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2A1003
#2A1003
oklch(21% 0.05 47.9)
- #001C27
#001C27
oklch(21.1% 0.041 227.1)
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 #2A1003, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Brown #341C02 ΔE 0.046
- Dark Maroon #3C0008 ΔE 0.054
- Deep Brown #410200 ΔE 0.057
- Very Dark Brown #1D0200 ΔE 0.060
- Chocolate Brown #411900 ΔE 0.064
- Mahogany #4A0100 ΔE 0.076
- Jet #212529 ΔE 0.078
- Almost Black #070D0D ΔE 0.082
Use #2A1003 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.