#42201B
Closest named color: Chocolate Brown (#411900). oklch(28.9% 0.054 29.5), rgb(66, 32, 27).
Aa
White text reads best on this color (14.44:1).
About this color
#42201B is a dark, muted red. In OKLCH its lightness is 29%, its chroma 0.054 and its hue 30°. Its hue sits on the warm side of the wheel. The nearest named color is Chocolate Brown (#411900), ΔE 0.034 away. White text reads best on it, at 14.44:1.
| Hue family | Reds |
| Lightness | dark (29%) |
| Chroma | muted (0.054) |
| Temperature | warm |
| Nearest name | Chocolate Brown (#411900) |
| Black text | 1.45:1 |
| White text | 14.44:1 |
Values
| HEX | #42201B |
| RGB | rgb(66, 32, 27) |
| HSL | hsl(8, 42%, 18%) |
| OKLCH | oklch(28.9% 0.054 29.5) |
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 #42201B | 14.44:1 | AAA | Lc -104.0 | Preferred for body text |
| Black text on #42201B | 1.45:1 | Fails | Lc 0.0 | Not readable |
| #42201B text on white | 14.44:1 | AAA | Lc 101.0 | Preferred for body text |
| #42201B text on black | 1.45:1 | 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
#FBF3F2
oklch(97% 0.009 26)
-
Step 100
100
#F6E6E3
oklch(93.7% 0.018 30.3)
-
Step 200
200
#F0D1CC
oklch(88.5% 0.036 28.7)
-
Step 300
300
#E7B2A9
oklch(80.9% 0.064 29.5)
-
Step 400
400
#D9887B
oklch(70.8% 0.102 29.7)
-
Step 500
500
#CC685A
oklch(63.1% 0.13 29.4)
-
Step 600
600
#B74D3F
oklch(55.6% 0.141 29.8)
-
Step 700
700
#9E3D31
oklch(49.2% 0.132 29.6)
-
Step 800
800
#803329
oklch(42.7% 0.109 29.7)
-
Step 900
900
#672E26
oklch(37.7% 0.084 29.7)
-
Step 950
950 (this color)
#42201B
oklch(28.9% 0.054 29.5)
#42201B 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) | #28251A | 0.055 |
| Deuteranopia (no green cones) | #302C1A | 0.051 |
| Tritanopia (no blue cones) | #481B1F | 0.020 |
| Achromatopsia (no color) | #2A2A2A | 0.054 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #42201B
#42201B
oklch(28.9% 0.054 29.5)
- #003239
#003239
oklch(29% 0.05 209.6)
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 #42201B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Chocolate Brown #411900 ΔE 0.034
- Dark Brown #341C02 ΔE 0.048
- Mahogany #4A0100 ΔE 0.060
- Deep Brown #410200 ΔE 0.065
- Jet #212529 ΔE 0.067
- Dark Maroon #3C0008 ΔE 0.075
- Space Cadet #2B2D42 ΔE 0.077
- Gunmetal #293241 ΔE 0.080
Use #42201B 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.