#421B16
Closest named color: Chocolate Brown (#411900). oklch(27.8% 0.062 29.1), rgb(66, 27, 22).
Aa
White text reads best on this color (14.99:1).
About this color
#421B16 is a dark, muted red. In OKLCH its lightness is 28%, its chroma 0.062 and its hue 29°. Its hue sits on the warm side of the wheel. The nearest named color is Chocolate Brown (#411900), ΔE 0.027 away. White text reads best on it, at 14.99:1.
| Hue family | Reds |
| Lightness | dark (28%) |
| Chroma | muted (0.062) |
| Temperature | warm |
| Nearest name | Chocolate Brown (#411900) |
| Black text | 1.40:1 |
| White text | 14.99:1 |
Values
| HEX | #421B16 |
| RGB | rgb(66, 27, 22) |
| HSL | hsl(7, 50%, 17%) |
| OKLCH | oklch(27.8% 0.062 29.1) |
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 #421B16 | 14.99:1 | AAA | Lc -104.4 | Preferred for body text |
| Black text on #421B16 | 1.40:1 | Fails | Lc 0.0 | Not readable |
| #421B16 text on white | 14.99:1 | AAA | Lc 101.6 | Preferred for body text |
| #421B16 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
#FCF3F2
oklch(97.1% 0.01 25.1)
-
Step 100
100
#F8E5E2
oklch(93.6% 0.021 28.3)
-
Step 200
200
#F3D0CA
oklch(88.6% 0.04 29.4)
-
Step 300
300
#ECAFA6
oklch(80.8% 0.073 28.3)
-
Step 400
400
#E08376
oklch(70.7% 0.117 28.8)
-
Step 500
500
#D56052
oklch(63.1% 0.151 28.9)
-
Step 600
600
#C04336
oklch(55.6% 0.163 29.2)
-
Step 700
700
#A53429
oklch(49.1% 0.151 29.2)
-
Step 800
800
#862C23
oklch(42.7% 0.125 29)
-
Step 900
900
#6C2921
oklch(37.7% 0.098 29.3)
-
Step 950
950 (this color)
#421B16
oklch(27.8% 0.062 29.1)
#421B16 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) | #252215 | 0.063 |
| Deuteranopia (no green cones) | #2E2A15 | 0.060 |
| Tritanopia (no blue cones) | #49141A | 0.024 |
| Achromatopsia (no color) | #272727 | 0.062 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #421B16
#421B16
oklch(27.8% 0.062 29.1)
- #002F35
#002F35
oklch(27.9% 0.048 208.1)
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 #421B16, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Chocolate Brown #411900 ΔE 0.027
- Dark Brown #341C02 ΔE 0.044
- Mahogany #4A0100 ΔE 0.047
- Deep Brown #410200 ΔE 0.052
- Dark Maroon #3C0008 ΔE 0.062
- Jet #212529 ΔE 0.071
- Burgundy #610023 ΔE 0.080
- Dark Plum #3F012C ΔE 0.080
Use #421B16 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.