#421E1E
Closest named color: Chocolate Brown (#411900). oklch(28.6% 0.056 21.2), rgb(66, 30, 30).
Aa
White text reads best on this color (14.62:1).
About this color
#421E1E is a dark, muted red. In OKLCH its lightness is 29%, its chroma 0.056 and its hue 21°. Its hue sits on the warm side of the wheel. The nearest named color is Chocolate Brown (#411900), ΔE 0.038 away. White text reads best on it, at 14.62:1.
| Hue family | Reds |
| Lightness | dark (29%) |
| Chroma | muted (0.056) |
| Temperature | warm |
| Nearest name | Chocolate Brown (#411900) |
| Black text | 1.43:1 |
| White text | 14.62:1 |
Values
| HEX | #421E1E |
| RGB | rgb(66, 30, 30) |
| HSL | hsl(0, 38%, 19%) |
| OKLCH | oklch(28.6% 0.056 21.2) |
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 #421E1E | 14.62:1 | AAA | Lc -104.1 | Preferred for body text |
| Black text on #421E1E | 1.43:1 | Fails | Lc 0.0 | Not readable |
| #421E1E text on white | 14.62:1 | AAA | Lc 101.2 | Preferred for body text |
| #421E1E text on black | 1.43:1 | 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
#FBF3F3
oklch(97% 0.009 17.3)
-
Step 100
100
#F7E5E4
oklch(93.6% 0.02 21.4)
-
Step 200
200
#F1D0CF
oklch(88.5% 0.037 19.9)
-
Step 300
300
#E9B0AE
oklch(80.9% 0.067 21)
-
Step 400
400
#DB8584
oklch(70.7% 0.106 20.8)
-
Step 500
500
#CE6465
oklch(63% 0.135 21.1)
-
Step 600
600
#BA484C
oklch(55.6% 0.148 21.2)
-
Step 700
700
#A0393D
oklch(49.2% 0.137 21.4)
-
Step 800
800
#823033
oklch(42.8% 0.113 21.1)
-
Step 900
900
#692B2C
oklch(37.7% 0.089 21.4)
-
Step 950
950 (this color)
#421E1E
oklch(28.6% 0.056 21.2)
#421E1E 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) | #26241E | 0.059 |
| Deuteranopia (no green cones) | #2F2B1D | 0.054 |
| Tritanopia (no blue cones) | #48191E | 0.017 |
| Achromatopsia (no color) | #292929 | 0.056 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #421E1E
#421E1E
oklch(28.6% 0.056 21.2)
- #003134
#003134
oklch(28.5% 0.048 201.3)
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 #421E1E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Chocolate Brown #411900 ΔE 0.038
- Dark Brown #341C02 ΔE 0.052
- Mahogany #4A0100 ΔE 0.057
- Deep Brown #410200 ΔE 0.063
- Jet #212529 ΔE 0.067
- Dark Maroon #3C0008 ΔE 0.070
- Space Cadet #2B2D42 ΔE 0.076
- Burgundy #610023 ΔE 0.078
Use #421E1E 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.