#40231D
Closest named color: Chocolate Brown (#411900). oklch(29.3% 0.046 32.5), rgb(64, 35, 29).
Aa
White text reads best on this color (14.22:1).
About this color
#40231D is a dark, muted red. In OKLCH its lightness is 29%, its chroma 0.046 and its hue 32°. Its hue sits on the warm side of the wheel. The nearest named color is Chocolate Brown (#411900), ΔE 0.038 away. White text reads best on it, at 14.22:1.
| Hue family | Reds |
| Lightness | dark (29%) |
| Chroma | muted (0.046) |
| Temperature | warm |
| Nearest name | Chocolate Brown (#411900) |
| Black text | 1.47:1 |
| White text | 14.22:1 |
Values
| HEX | #40231D |
| RGB | rgb(64, 35, 29) |
| HSL | hsl(10, 38%, 18%) |
| OKLCH | oklch(29.3% 0.046 32.5) |
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 #40231D | 14.22:1 | AAA | Lc -103.8 | Preferred for body text |
| Black text on #40231D | 1.47:1 | Fails | Lc 0.0 | Not readable |
| #40231D text on white | 14.22:1 | AAA | Lc 100.8 | Preferred for body text |
| #40231D text on black | 1.47:1 | 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
#FAF4F2
oklch(97.1% 0.007 39.5)
-
Step 100
100
#F4E6E3
oklch(93.5% 0.016 32)
-
Step 200
200
#ECD2CD
oklch(88.4% 0.03 30.6)
-
Step 300
300
#E2B4AB
oklch(80.9% 0.055 31.1)
-
Step 400
400
#D18C7E
oklch(70.6% 0.087 32)
-
Step 500
500
#C36E5D
oklch(63% 0.112 32.3)
-
Step 600
600
#AF5543
oklch(55.6% 0.122 32.7)
-
Step 700
700
#964535
oklch(49.2% 0.113 32.7)
-
Step 800
800
#7A392C
oklch(42.7% 0.094 32.7)
-
Step 900
900
#623228
oklch(37.7% 0.072 32.9)
-
Step 950
950 (this color)
#40231D
oklch(29.3% 0.046 32.5)
#40231D 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) | #2A271C | 0.046 |
| Deuteranopia (no green cones) | #312D1D | 0.042 |
| Tritanopia (no blue cones) | #461F21 | 0.019 |
| Achromatopsia (no color) | #2B2B2B | 0.046 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #40231D
#40231D
oklch(29.3% 0.046 32.5)
- #073239
#073239
oklch(29.3% 0.046 211.1)
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 #40231D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Chocolate Brown #411900 ΔE 0.038
- Dark Brown #341C02 ΔE 0.048
- Jet #212529 ΔE 0.062
- Mahogany #4A0100 ΔE 0.068
- Space Cadet #2B2D42 ΔE 0.071
- Deep Brown #410200 ΔE 0.073
- Gunmetal #293241 ΔE 0.073
- Pakistan Green #283618 ΔE 0.077
Use #40231D 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.