#421E1F
Closest named color: Chocolate Brown (#411900). oklch(28.6% 0.056 19.5), rgb(66, 30, 31).
Aa
White text reads best on this color (14.61:1).
About this color
#421E1F is a dark, muted red. In OKLCH its lightness is 29%, its chroma 0.056 and its hue 19°. Its hue sits on the warm side of the wheel. The nearest named color is Chocolate Brown (#411900), ΔE 0.040 away. White text reads best on it, at 14.61:1.
| Hue family | Reds |
| Lightness | dark (29%) |
| Chroma | muted (0.056) |
| Temperature | warm |
| Nearest name | Chocolate Brown (#411900) |
| Black text | 1.43:1 |
| White text | 14.61:1 |
Values
| HEX | #421E1F |
| RGB | rgb(66, 30, 31) |
| HSL | hsl(358, 38%, 19%) |
| OKLCH | oklch(28.6% 0.056 19.5) |
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 #421E1F | 14.61:1 | AAA | Lc -104.1 | Preferred for body text |
| Black text on #421E1F | 1.43:1 | Fails | Lc 0.0 | Not readable |
| #421E1F text on white | 14.61:1 | AAA | Lc 101.2 | Preferred for body text |
| #421E1F 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
#F7E5E5
oklch(93.6% 0.02 17.5)
-
Step 200
200
#F1D0CF
oklch(88.5% 0.037 19.9)
-
Step 300
300
#E8B0AF
oklch(80.8% 0.066 19.8)
-
Step 400
400
#DB8586
oklch(70.8% 0.106 19.3)
-
Step 500
500
#CE6468
oklch(63.1% 0.134 19.4)
-
Step 600
600
#B9484F
oklch(55.5% 0.146 19.6)
-
Step 700
700
#9F3940
oklch(49.1% 0.135 19.6)
-
Step 800
800
#823035
oklch(42.8% 0.113 19.6)
-
Step 900
900
#682B2E
oklch(37.6% 0.088 19.3)
-
Step 950
950 (this color)
#421E1F
oklch(28.6% 0.056 19.5)
#421E1F 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) | #26241F | 0.059 |
| Deuteranopia (no green cones) | #2F2B1E | 0.054 |
| Tritanopia (no blue cones) | #48191F | 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°).
- #421E1F
#421E1F
oklch(28.6% 0.056 19.5)
- #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 #421E1F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Chocolate Brown #411900 ΔE 0.040
- Dark Brown #341C02 ΔE 0.053
- Mahogany #4A0100 ΔE 0.058
- Deep Brown #410200 ΔE 0.063
- Jet #212529 ΔE 0.067
- Dark Maroon #3C0008 ΔE 0.070
- Space Cadet #2B2D42 ΔE 0.075
- Dark Plum #3F012C ΔE 0.077
Use #421E1F 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.