#421E28
Closest named color: Chocolate Brown (#411900). oklch(28.9% 0.057 3.6), rgb(66, 30, 40).
Aa
White text reads best on this color (14.50:1).
About this color
#421E28 is a dark, muted red. In OKLCH its lightness is 29%, its chroma 0.057 and its hue 4°. 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 14.50:1.
| Hue family | Reds |
| Lightness | dark (29%) |
| Chroma | muted (0.057) |
| Temperature | warm |
| Nearest name | Chocolate Brown (#411900) |
| Black text | 1.44:1 |
| White text | 14.50:1 |
Values
| HEX | #421E28 |
| RGB | rgb(66, 30, 40) |
| HSL | hsl(343, 38%, 19%) |
| OKLCH | oklch(28.9% 0.057 3.6) |
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 #421E28 | 14.50:1 | AAA | Lc -104.0 | Preferred for body text |
| Black text on #421E28 | 1.44:1 | Fails | Lc 0.0 | Not readable |
| #421E28 text on white | 14.50:1 | AAA | Lc 101.1 | Preferred for body text |
| #421E28 text on black | 1.44:1 | 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
#F0CFD6
oklch(88.4% 0.038 3.5)
-
Step 300
300
#E7AFBC
oklch(80.9% 0.067 3.3)
-
Step 400
400
#D98399
oklch(70.7% 0.109 3.7)
-
Step 500
500
#CC6280
oklch(63.2% 0.137 3.9)
-
Step 600
600
#B7466A
oklch(55.6% 0.149 3.5)
-
Step 700
700
#9D3658
oklch(49% 0.14 3.5)
-
Step 800
800
#802E48
oklch(42.7% 0.116 3.7)
-
Step 900
900
#672A3C
oklch(37.7% 0.09 3.9)
-
Step 950
950 (this color)
#421E28
oklch(28.9% 0.057 3.6)
#421E28 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) | #242528 | 0.062 |
| Deuteranopia (no green cones) | #2D2C27 | 0.058 |
| Tritanopia (no blue cones) | #471B22 | 0.014 |
| Achromatopsia (no color) | #292929 | 0.057 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #421E28
#421E28
oklch(28.9% 0.057 3.6)
- #00332E
#00332E
oklch(28.9% 0.051 184.5)
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 #421E28, 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 0.066
- Dark Brown #341C02 ΔE 0.067
- Mahogany #4A0100 ΔE 0.067
- Space Cadet #2B2D42 ΔE 0.067
- Jet #212529 ΔE 0.067
- Dark Plum #3F012C ΔE 0.068
- Eggplant #380835 ΔE 0.071
Use #421E28 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.