#421D28
Closest named color: Chocolate Brown (#411900). oklch(28.7% 0.059 2.6), rgb(66, 29, 40).
Aa
White text reads best on this color (14.60:1).
About this color
#421D28 is a dark, muted red. In OKLCH its lightness is 29%, its chroma 0.059 and its hue 3°. Its hue sits on the warm side of the wheel. The nearest named color is Chocolate Brown (#411900), ΔE 0.056 away. White text reads best on it, at 14.60:1.
| Hue family | Reds |
| Lightness | dark (29%) |
| Chroma | muted (0.059) |
| Temperature | warm |
| Nearest name | Chocolate Brown (#411900) |
| Black text | 1.43:1 |
| White text | 14.60:1 |
Values
| HEX | #421D28 |
| RGB | rgb(66, 29, 40) |
| HSL | hsl(342, 39%, 19%) |
| OKLCH | oklch(28.7% 0.059 2.6) |
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 #421D28 | 14.60:1 | AAA | Lc -104.1 | Preferred for body text |
| Black text on #421D28 | 1.43:1 | Fails | Lc 0.0 | Not readable |
| #421D28 text on white | 14.60:1 | AAA | Lc 101.2 | Preferred for body text |
| #421D28 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
#FBF3F5
oklch(97.1% 0.009 0.1)
-
Step 100
100
#F6E5E8
oklch(93.6% 0.019 5.3)
-
Step 200
200
#F0CFD7
oklch(88.4% 0.038 1.6)
-
Step 300
300
#E8AEBC
oklch(80.8% 0.07 2.8)
-
Step 400
400
#DA829A
oklch(70.7% 0.111 2.7)
-
Step 500
500
#CD6082
oklch(63.1% 0.142 2.3)
-
Step 600
600
#B8446B
oklch(55.6% 0.154 2.7)
-
Step 700
700
#9F3459
oklch(49.1% 0.145 2.8)
-
Step 800
800
#812C49
oklch(42.7% 0.12 2.6)
-
Step 900
900
#68293D
oklch(37.7% 0.093 2.7)
-
Step 950
950 (this color)
#421D28
oklch(28.7% 0.059 2.6)
#421D28 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) | #232428 | 0.065 |
| Deuteranopia (no green cones) | #2D2B27 | 0.058 |
| Tritanopia (no blue cones) | #471A21 | 0.016 |
| Achromatopsia (no color) | #292929 | 0.059 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #421D28
#421D28
oklch(28.7% 0.059 2.6)
- #00332D
#00332D
oklch(28.8% 0.051 182.5)
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 #421D28, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Chocolate Brown #411900 ΔE 0.056
- Aubergine #3D0734 ΔE 0.063
- Dark Plum #3F012C ΔE 0.065
- Mahogany #4A0100 ΔE 0.066
- Dark Brown #341C02 ΔE 0.067
- Jet #212529 ΔE 0.068
- Space Cadet #2B2D42 ΔE 0.068
- Eggplant #380835 ΔE 0.069
Use #421D28 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.