#421C07
Closest named color: Chocolate Brown (#411900). oklch(27.8% 0.067 46.6), rgb(66, 28, 7).
Aa
White text reads best on this color (14.99:1).
About this color
#421C07 is a dark, muted brown. In OKLCH its lightness is 28%, its chroma 0.067 and its hue 47°. Its hue sits on the warm side of the wheel. The nearest named color is Chocolate Brown (#411900), ΔE 0.010 away. White text reads best on it, at 14.99:1.
| Hue family | Browns |
| Lightness | dark (28%) |
| Chroma | muted (0.067) |
| Temperature | warm |
| Nearest name | Chocolate Brown (#411900) |
| Black text | 1.40:1 |
| White text | 14.99:1 |
Values
| HEX | #421C07 |
| RGB | rgb(66, 28, 7) |
| HSL | hsl(21, 81%, 14%) |
| OKLCH | oklch(27.8% 0.067 46.6) |
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 #421C07 | 14.99:1 | AAA | Lc -104.4 | Preferred for body text |
| Black text on #421C07 | 1.40:1 | Fails | Lc 0.0 | Not readable |
| #421C07 text on white | 14.99:1 | AAA | Lc 101.5 | Preferred for body text |
| #421C07 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
#F8E6DD
oklch(93.7% 0.023 48.5)
-
Step 200
200
#F3D1C1
oklch(88.5% 0.044 46.7)
-
Step 300
300
#ECB195
oklch(80.8% 0.079 46.5)
-
Step 400
400
#E08659
oklch(70.7% 0.126 46.6)
-
Step 500
500
#D56420
oklch(63.1% 0.161 46.7)
-
Step 600
600
#B94F00
oklch(55.7% 0.155 46.7)
-
Step 700
700
#9C4100
oklch(49% 0.137 46.5)
-
Step 800
800
#813500
oklch(42.8% 0.119 46.8)
-
Step 900
900
#6C2B00
oklch(37.6% 0.105 46.7)
-
Step 950
950 (this color)
#421C07
oklch(27.8% 0.067 46.6)
#421C07 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) | #272105 | 0.060 |
| Deuteranopia (no green cones) | #302A06 | 0.055 |
| Tritanopia (no blue cones) | #491418 | 0.037 |
| Achromatopsia (no color) | #272727 | 0.067 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #421C07
#421C07
oklch(27.8% 0.067 46.6)
- #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 #421C07, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Chocolate Brown #411900 ΔE 0.010
- Dark Brown #341C02 ΔE 0.033
- Mahogany #4A0100 ΔE 0.049
- Deep Brown #410200 ΔE 0.053
- Dark Maroon #3C0008 ΔE 0.068
- Jet #212529 ΔE 0.077
- Pakistan Green #283618 ΔE 0.087
- Burgundy #610023 ΔE 0.091
Use #421C07 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.