#421B09
Closest named color: Chocolate Brown (#411900). oklch(27.6% 0.067 43.5), rgb(66, 27, 9).
Aa
White text reads best on this color (15.08:1).
About this color
#421B09 is a dark, muted brown. In OKLCH its lightness is 28%, its chroma 0.067 and its hue 43°. Its hue sits on the warm side of the wheel. The nearest named color is Chocolate Brown (#411900), ΔE 0.011 away. White text reads best on it, at 15.08:1.
| Hue family | Browns |
| Lightness | dark (28%) |
| Chroma | muted (0.067) |
| Temperature | warm |
| Nearest name | Chocolate Brown (#411900) |
| Black text | 1.39:1 |
| White text | 15.08:1 |
Values
| HEX | #421B09 |
| RGB | rgb(66, 27, 9) |
| HSL | hsl(19, 76%, 15%) |
| OKLCH | oklch(27.6% 0.067 43.5) |
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 #421B09 | 15.08:1 | AAA | Lc -104.5 | Preferred for body text |
| Black text on #421B09 | 1.39:1 | Fails | Lc 0.0 | Not readable |
| #421B09 text on white | 15.08:1 | AAA | Lc 101.6 | Preferred for body text |
| #421B09 text on black | 1.39:1 | 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
#FCF3F0
oklch(97% 0.011 39.4)
-
Step 100
100
#F8E5DE
oklch(93.5% 0.023 41.4)
-
Step 200
200
#F3D1C2
oklch(88.5% 0.043 45.2)
-
Step 300
300
#EDB198
oklch(81% 0.079 43.6)
-
Step 400
400
#E1855D
oklch(70.7% 0.126 43.8)
-
Step 500
500
#D6622A
oklch(63% 0.161 43.5)
-
Step 600
600
#BD4A00
oklch(55.6% 0.163 43.7)
-
Step 700
700
#A03D00
oklch(49.1% 0.144 43.5)
-
Step 800
800
#843100
oklch(42.7% 0.125 43.5)
-
Step 900
900
#6D2A06
oklch(37.7% 0.105 43.6)
-
Step 950
950 (this color)
#421B09
oklch(27.6% 0.067 43.5)
#421B09 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) | #262107 | 0.062 |
| Deuteranopia (no green cones) | #2F2A08 | 0.058 |
| Tritanopia (no blue cones) | #491317 | 0.034 |
| Achromatopsia (no color) | #262626 | 0.067 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #421B09
#421B09
oklch(27.6% 0.067 43.5)
- #002D3A
#002D3A
oklch(27.6% 0.051 222.8)
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 #421B09, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Chocolate Brown #411900 ΔE 0.011
- Dark Brown #341C02 ΔE 0.034
- Mahogany #4A0100 ΔE 0.046
- Deep Brown #410200 ΔE 0.050
- Dark Maroon #3C0008 ΔE 0.064
- Jet #212529 ΔE 0.077
- Burgundy #610023 ΔE 0.089
- Pakistan Green #283618 ΔE 0.090
Use #421B09 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.