#421C09
Closest named color: Chocolate Brown (#411900). oklch(27.8% 0.066 44.9), rgb(66, 28, 9).
Aa
White text reads best on this color (14.98:1).
About this color
#421C09 is a dark, muted brown. In OKLCH its lightness is 28%, its chroma 0.066 and its hue 45°. Its hue sits on the warm side of the wheel. The nearest named color is Chocolate Brown (#411900), ΔE 0.012 away. White text reads best on it, at 14.98:1.
| Hue family | Browns |
| Lightness | dark (28%) |
| Chroma | muted (0.066) |
| Temperature | warm |
| Nearest name | Chocolate Brown (#411900) |
| Black text | 1.40:1 |
| White text | 14.98:1 |
Values
| HEX | #421C09 |
| RGB | rgb(66, 28, 9) |
| HSL | hsl(20, 76%, 15%) |
| OKLCH | oklch(27.8% 0.066 44.9) |
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 #421C09 | 14.98:1 | AAA | Lc -104.4 | Preferred for body text |
| Black text on #421C09 | 1.40:1 | Fails | Lc 0.0 | Not readable |
| #421C09 text on white | 14.98:1 | AAA | Lc 101.5 | Preferred for body text |
| #421C09 text on black | 1.40:1 | 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
#F8E6DE
oklch(93.7% 0.023 45.6)
-
Step 200
200
#F3D1C2
oklch(88.5% 0.043 45.2)
-
Step 300
300
#ECB197
oklch(80.8% 0.078 44.8)
-
Step 400
400
#E0865C
oklch(70.7% 0.124 45.2)
-
Step 500
500
#D56428
oklch(63.2% 0.159 45.1)
-
Step 600
600
#BB4C00
oklch(55.6% 0.159 44.9)
-
Step 700
700
#9E3F00
oklch(49.1% 0.14 44.9)
-
Step 800
800
#833300
oklch(42.8% 0.122 45)
-
Step 900
900
#6C2B05
oklch(37.7% 0.103 45)
-
Step 950
950 (this color)
#421C09
oklch(27.8% 0.066 44.9)
#421C09 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) | #272207 | 0.060 |
| Deuteranopia (no green cones) | #302A08 | 0.055 |
| Tritanopia (no blue cones) | #491418 | 0.035 |
| Achromatopsia (no color) | #272727 | 0.066 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #421C09
#421C09
oklch(27.8% 0.066 44.9)
- #002D3C
#002D3C
oklch(27.7% 0.053 226.3)
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 #421C09, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Chocolate Brown #411900 ΔE 0.012
- Dark Brown #341C02 ΔE 0.034
- Mahogany #4A0100 ΔE 0.049
- Deep Brown #410200 ΔE 0.053
- Dark Maroon #3C0008 ΔE 0.067
- Jet #212529 ΔE 0.076
- Pakistan Green #283618 ΔE 0.087
- Burgundy #610023 ΔE 0.090
Use #421C09 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.