#421D25
Closest named color: Chocolate Brown (#411900). oklch(28.6% 0.058 7.7), rgb(66, 29, 37).
Aa
White text reads best on this color (14.64:1).
About this color
#421D25 is a dark, muted red. In OKLCH its lightness is 29%, its chroma 0.058 and its hue 8°. Its hue sits on the warm side of the wheel. The nearest named color is Chocolate Brown (#411900), ΔE 0.051 away. White text reads best on it, at 14.64:1.
| Hue family | Reds |
| Lightness | dark (29%) |
| Chroma | muted (0.058) |
| Temperature | warm |
| Nearest name | Chocolate Brown (#411900) |
| Black text | 1.43:1 |
| White text | 14.64:1 |
Values
| HEX | #421D25 |
| RGB | rgb(66, 29, 37) |
| HSL | hsl(347, 39%, 19%) |
| OKLCH | oklch(28.6% 0.058 7.7) |
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 #421D25 | 14.64:1 | AAA | Lc -104.1 | Preferred for body text |
| Black text on #421D25 | 1.43:1 | Fails | Lc 0.0 | Not readable |
| #421D25 text on white | 14.64:1 | AAA | Lc 101.2 | Preferred for body text |
| #421D25 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
#FBF3F4
oklch(97.1% 0.009 8.5)
-
Step 100
100
#F7E5E7
oklch(93.7% 0.02 9.8)
-
Step 200
200
#F1CFD4
oklch(88.5% 0.039 7.9)
-
Step 300
300
#E9AFB8
oklch(81% 0.069 8.4)
-
Step 400
400
#DB8394
oklch(70.8% 0.11 7.8)
-
Step 500
500
#CE617A
oklch(63.1% 0.14 7.5)
-
Step 600
600
#B94463
oklch(55.5% 0.153 7.3)
-
Step 700
700
#9F3552
oklch(49% 0.142 7.4)
-
Step 800
800
#812D43
oklch(42.6% 0.117 7.5)
-
Step 900
900
#682938
oklch(37.5% 0.091 7.8)
-
Step 950
950 (this color)
#421D25
oklch(28.6% 0.058 7.7)
#421D25 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) | #242425 | 0.063 |
| Deuteranopia (no green cones) | #2D2B24 | 0.058 |
| Tritanopia (no blue cones) | #481920 | 0.016 |
| Achromatopsia (no color) | #292929 | 0.058 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #421D25
#421D25
oklch(28.6% 0.058 7.7)
- #00322F
#00322F
oklch(28.6% 0.05 188.4)
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 #421D25, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Chocolate Brown #411900 ΔE 0.051
- Mahogany #4A0100 ΔE 0.062
- Dark Brown #341C02 ΔE 0.063
- Aubergine #3D0734 ΔE 0.067
- Deep Brown #410200 ΔE 0.067
- Jet #212529 ΔE 0.068
- Dark Plum #3F012C ΔE 0.068
- Space Cadet #2B2D42 ΔE 0.071
Use #421D25 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.