#2A1903
Closest named color: Dark Brown (#341C02). oklch(23.1% 0.045 71.1), rgb(42, 25, 3).
Aa
White text reads best on this color (16.95:1).
About this color
#2A1903 is a very dark, muted brown. In OKLCH its lightness is 23%, its chroma 0.045 and its hue 71°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Brown (#341C02), ΔE 0.025 away. White text reads best on it, at 16.95:1.
| Hue family | Browns |
| Lightness | very dark (23%) |
| Chroma | muted (0.045) |
| Temperature | warm |
| Nearest name | Dark Brown (#341C02) |
| Black text | 1.23:1 |
| White text | 16.95:1 |
Values
| HEX | #2A1903 |
| RGB | rgb(42, 25, 3) |
| HSL | hsl(34, 87%, 9%) |
| OKLCH | oklch(23.1% 0.045 71.1) |
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 #2A1903 | 16.95:1 | AAA | Lc -106.1 | Preferred for body text |
| Black text on #2A1903 | 1.23:1 | Fails | Lc 0.0 | Not readable |
| #2A1903 text on white | 16.95:1 | AAA | Lc 103.8 | Preferred for body text |
| #2A1903 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
#F9F5F0
oklch(97.2% 0.008 73.7)
-
Step 100
100
#F1E8DF
oklch(93.6% 0.016 67.6)
-
Step 200
200
#E6D6C5
oklch(88.4% 0.029 69.1)
-
Step 300
300
#D7BC9C
oklch(81% 0.053 71.7)
-
Step 400
400
#C29865
oklch(70.7% 0.084 71.2)
-
Step 500
500
#B27D37
oklch(63% 0.108 71)
-
Step 600
600
#9D6608
oklch(55.6% 0.117 71.7)
-
Step 700
700
#855500
oklch(49.1% 0.105 71.8)
-
Step 800
800
#6D4503
oklch(42.6% 0.09 71.4)
-
Step 900
900
#593A10
oklch(37.6% 0.071 70.2)
-
Step 950
950 (this color)
#2A1903
oklch(23.1% 0.045 71.1)
#2A1903 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) | #1F1A01 | 0.025 |
| Deuteranopia (no green cones) | #231E03 | 0.022 |
| Tritanopia (no blue cones) | #2F1514 | 0.036 |
| Achromatopsia (no color) | #1C1C1C | 0.045 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2A1903
#2A1903
oklch(23.1% 0.045 71.1)
- #0C1E31
#0C1E31
oklch(23% 0.044 251.4)
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 #2A1903, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Brown #341C02 ΔE 0.025
- Chocolate Brown #411900 ΔE 0.052
- Jet #212529 ΔE 0.062
- Deep Brown #410200 ΔE 0.068
- Dark Maroon #3C0008 ΔE 0.071
- Dark #1B2431 ΔE 0.077
- Rich Black #0D1B2A ΔE 0.081
- Mahogany #4A0100 ΔE 0.082
Use #2A1903 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.