#401B03
Closest named color: Chocolate Brown (#411900). oklch(27.2% 0.067 50), rgb(64, 27, 3).
Aa
White text reads best on this color (15.26:1).
About this color
#401B03 is a dark, muted brown. In OKLCH its lightness is 27%, its chroma 0.067 and its hue 50°. Its hue sits on the warm side of the wheel. The nearest named color is Chocolate Brown (#411900), ΔE 0.005 away. White text reads best on it, at 15.26:1.
| Hue family | Browns |
| Lightness | dark (27%) |
| Chroma | muted (0.067) |
| Temperature | warm |
| Nearest name | Chocolate Brown (#411900) |
| Black text | 1.37:1 |
| White text | 15.26:1 |
Values
| HEX | #401B03 |
| RGB | rgb(64, 27, 3) |
| HSL | hsl(24, 91%, 13%) |
| OKLCH | oklch(27.2% 0.067 50) |
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 #401B03 | 15.26:1 | AAA | Lc -104.6 | Preferred for body text |
| Black text on #401B03 | 1.37:1 | Fails | Lc 0.0 | Not readable |
| #401B03 text on white | 15.26:1 | AAA | Lc 101.8 | Preferred for body text |
| #401B03 text on black | 1.37:1 | 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
#FCF4EF
oklch(97.2% 0.011 54.5)
-
Step 100
100
#F7E6DD
oklch(93.6% 0.022 49.9)
-
Step 200
200
#F2D1C0
oklch(88.4% 0.044 48.9)
-
Step 300
300
#EBB293
oklch(80.8% 0.079 49.8)
-
Step 400
400
#DF8753
oklch(70.6% 0.127 50.1)
-
Step 500
500
#D4650D
oklch(63% 0.163 49.9)
-
Step 600
600
#B45300
oklch(55.5% 0.147 50)
-
Step 700
700
#984500
oklch(49% 0.13 50)
-
Step 800
800
#7E3800
oklch(42.8% 0.113 50)
-
Step 900
900
#6A2E00
oklch(37.8% 0.1 50)
-
Step 950
950 (this color)
#401B03
oklch(27.2% 0.067 50)
#401B03 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) | #262001 | 0.058 |
| Deuteranopia (no green cones) | #2F2902 | 0.054 |
| Tritanopia (no blue cones) | #471316 | 0.039 |
| Achromatopsia (no color) | #252525 | 0.068 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #401B03
#401B03
oklch(27.2% 0.067 50)
- #002B3C
#002B3C
oklch(27.1% 0.054 230.4)
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 #401B03, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Chocolate Brown #411900 ΔE 0.005
- Dark Brown #341C02 ΔE 0.027
- Mahogany #4A0100 ΔE 0.050
- Deep Brown #410200 ΔE 0.051
- Dark Maroon #3C0008 ΔE 0.066
- Jet #212529 ΔE 0.077
- Pakistan Green #283618 ΔE 0.087
- Dark #1B2431 ΔE 0.094
Use #401B03 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.