#421E1B
Closest named color: Chocolate Brown (#411900). oklch(28.5% 0.056 26.1), rgb(66, 30, 27).
Aa
White text reads best on this color (14.65:1).
About this color
#421E1B is a dark, muted red. In OKLCH its lightness is 29%, its chroma 0.056 and its hue 26°. Its hue sits on the warm side of the wheel. The nearest named color is Chocolate Brown (#411900), ΔE 0.034 away. White text reads best on it, at 14.65:1.
| Hue family | Reds |
| Lightness | dark (29%) |
| Chroma | muted (0.056) |
| Temperature | warm |
| Nearest name | Chocolate Brown (#411900) |
| Black text | 1.43:1 |
| White text | 14.65:1 |
Values
| HEX | #421E1B |
| RGB | rgb(66, 30, 27) |
| HSL | hsl(5, 42%, 18%) |
| OKLCH | oklch(28.5% 0.056 26.1) |
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 #421E1B | 14.65:1 | AAA | Lc -104.1 | Preferred for body text |
| Black text on #421E1B | 1.43:1 | Fails | Lc 0.0 | Not readable |
| #421E1B text on white | 14.65:1 | AAA | Lc 101.2 | Preferred for body text |
| #421E1B 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
#FBF3F2
oklch(97% 0.009 26)
-
Step 100
100
#F7E5E3
oklch(93.6% 0.02 25.2)
-
Step 200
200
#F1D0CC
oklch(88.4% 0.038 26.1)
-
Step 300
300
#E9B1AA
oklch(81% 0.067 26.8)
-
Step 400
400
#DB867D
oklch(70.7% 0.106 26.6)
-
Step 500
500
#CF655C
oklch(63.1% 0.136 26.6)
-
Step 600
600
#BA4943
oklch(55.6% 0.148 26)
-
Step 700
700
#A03934
oklch(49% 0.138 26.2)
-
Step 800
800
#82302C
oklch(42.6% 0.114 25.9)
-
Step 900
900
#692C27
oklch(37.7% 0.089 26.8)
-
Step 950
950 (this color)
#421E1B
oklch(28.5% 0.056 26.1)
#421E1B 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) | #26241B | 0.059 |
| Deuteranopia (no green cones) | #2F2B1A | 0.054 |
| Tritanopia (no blue cones) | #48191D | 0.018 |
| Achromatopsia (no color) | #282828 | 0.057 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #421E1B
#421E1B
oklch(28.5% 0.056 26.1)
- #003136
#003136
oklch(28.6% 0.049 205.6)
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 #421E1B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Chocolate Brown #411900 ΔE 0.034
- Dark Brown #341C02 ΔE 0.048
- Mahogany #4A0100 ΔE 0.055
- Deep Brown #410200 ΔE 0.061
- Jet #212529 ΔE 0.068
- Dark Maroon #3C0008 ΔE 0.069
- Space Cadet #2B2D42 ΔE 0.079
- Burgundy #610023 ΔE 0.079
Use #421E1B 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.