#421D1D
Closest named color: Chocolate Brown (#411900). oklch(28.4% 0.057 21.4), rgb(66, 29, 29).
Aa
White text reads best on this color (14.73:1).
About this color
#421D1D is a dark, muted red. In OKLCH its lightness is 28%, its chroma 0.057 and its hue 21°. Its hue sits on the warm side of the wheel. The nearest named color is Chocolate Brown (#411900), ΔE 0.037 away. White text reads best on it, at 14.73:1.
| Hue family | Reds |
| Lightness | dark (28%) |
| Chroma | muted (0.057) |
| Temperature | warm |
| Nearest name | Chocolate Brown (#411900) |
| Black text | 1.42:1 |
| White text | 14.73:1 |
Values
| HEX | #421D1D |
| RGB | rgb(66, 29, 29) |
| HSL | hsl(0, 39%, 19%) |
| OKLCH | oklch(28.4% 0.057 21.4) |
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 #421D1D | 14.73:1 | AAA | Lc -104.2 | Preferred for body text |
| Black text on #421D1D | 1.42:1 | Fails | Lc 0.0 | Not readable |
| #421D1D text on white | 14.73:1 | AAA | Lc 101.3 | Preferred for body text |
| #421D1D text on black | 1.42:1 | 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
#FCF3F3
oklch(97.1% 0.01 17.3)
-
Step 100
100
#F7E5E4
oklch(93.6% 0.02 21.4)
-
Step 200
200
#F1D0CE
oklch(88.5% 0.037 22)
-
Step 300
300
#EAB0AD
oklch(81% 0.068 22.1)
-
Step 400
400
#DC8483
oklch(70.6% 0.109 20.9)
-
Step 500
500
#D06363
oklch(63.1% 0.138 21.8)
-
Step 600
600
#BB464B
oklch(55.5% 0.151 21)
-
Step 700
700
#A1373C
oklch(49.1% 0.14 21.3)
-
Step 800
800
#832E32
oklch(42.7% 0.117 20.8)
-
Step 900
900
#6A2A2C
oklch(37.7% 0.092 20.7)
-
Step 950
950 (this color)
#421D1D
oklch(28.4% 0.057 21.4)
#421D1D 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) | #25231D | 0.061 |
| Deuteranopia (no green cones) | #2E2B1C | 0.058 |
| Tritanopia (no blue cones) | #48181D | 0.017 |
| Achromatopsia (no color) | #282828 | 0.058 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #421D1D
#421D1D
oklch(28.4% 0.057 21.4)
- #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 #421D1D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Chocolate Brown #411900 ΔE 0.037
- Dark Brown #341C02 ΔE 0.051
- Mahogany #4A0100 ΔE 0.055
- Deep Brown #410200 ΔE 0.060
- Dark Maroon #3C0008 ΔE 0.067
- Jet #212529 ΔE 0.068
- Dark Plum #3F012C ΔE 0.076
- Burgundy #610023 ΔE 0.077
Use #421D1D 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.