#421F17
Closest named color: Chocolate Brown (#411900). oklch(28.6% 0.056 34), rgb(66, 31, 23).
Aa
White text reads best on this color (14.58:1).
About this color
#421F17 is a dark, muted red. In OKLCH its lightness is 29%, its chroma 0.056 and its hue 34°. Its hue sits on the warm side of the wheel. The nearest named color is Chocolate Brown (#411900), ΔE 0.028 away. White text reads best on it, at 14.58:1.
| Hue family | Reds |
| Lightness | dark (29%) |
| Chroma | muted (0.056) |
| Temperature | warm |
| Nearest name | Chocolate Brown (#411900) |
| Black text | 1.44:1 |
| White text | 14.58:1 |
Values
| HEX | #421F17 |
| RGB | rgb(66, 31, 23) |
| HSL | hsl(11, 48%, 17%) |
| OKLCH | oklch(28.6% 0.056 34) |
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 #421F17 | 14.58:1 | AAA | Lc -104.1 | Preferred for body text |
| Black text on #421F17 | 1.44:1 | Fails | Lc 0.0 | Not readable |
| #421F17 text on white | 14.58:1 | AAA | Lc 101.2 | Preferred for body text |
| #421F17 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
#FBF3F1
oklch(97% 0.009 34.3)
-
Step 100
100
#F6E6E1
oklch(93.6% 0.019 38.1)
-
Step 200
200
#F1D1C9
oklch(88.5% 0.038 34.3)
-
Step 300
300
#E8B2A5
oklch(80.9% 0.066 33.9)
-
Step 400
400
#DB8774
oklch(70.7% 0.108 33.5)
-
Step 500
500
#CE674F
oklch(63.1% 0.136 34.3)
-
Step 600
600
#BA4B33
oklch(55.6% 0.149 33.8)
-
Step 700
700
#A03C26
oklch(49.2% 0.138 34)
-
Step 800
800
#823221
oklch(42.8% 0.115 33.6)
-
Step 900
900
#692D20
oklch(37.8% 0.089 33.7)
-
Step 950
950 (this color)
#421F17
oklch(28.6% 0.056 34)
#421F17 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) | #282416 | 0.055 |
| Deuteranopia (no green cones) | #302C16 | 0.053 |
| Tritanopia (no blue cones) | #49191D | 0.025 |
| Achromatopsia (no color) | #292929 | 0.057 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #421F17
#421F17
oklch(28.6% 0.056 34)
- #00313A
#00313A
oklch(28.8% 0.051 213.9)
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 #421F17, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Chocolate Brown #411900 ΔE 0.028
- Dark Brown #341C02 ΔE 0.044
- Mahogany #4A0100 ΔE 0.056
- Deep Brown #410200 ΔE 0.062
- Jet #212529 ΔE 0.069
- Dark Maroon #3C0008 ΔE 0.072
- Space Cadet #2B2D42 ΔE 0.082
- Burgundy #610023 ΔE 0.083
Use #421F17 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.