#40432F
Closest named color: Charcoal Grey (#3C4142). oklch(37.4% 0.033 114.9), rgb(64, 67, 47).
Aa
White text reads best on this color (10.18:1).
About this color
#40432F is a dark, muted brown. In OKLCH its lightness is 37%, its chroma 0.033 and its hue 115°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Charcoal Grey (#3C4142), ΔE 0.034 away. White text reads best on it, at 10.18:1.
| Hue family | Browns |
| Lightness | dark (37%) |
| Chroma | muted (0.033) |
| Temperature | in between |
| Nearest name | Charcoal Grey (#3C4142) |
| Black text | 2.06:1 |
| White text | 10.18:1 |
Values
| HEX | #40432F |
| RGB | rgb(64, 67, 47) |
| HSL | hsl(69, 18%, 22%) |
| OKLCH | oklch(37.4% 0.033 114.9) |
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 #40432F | 10.18:1 | AAA | Lc -97.7 | Preferred for body text |
| Black text on #40432F | 2.06:1 | Fails | Lc 10.3 | Not readable |
| #40432F text on white | 10.18:1 | AAA | Lc 93.7 | Preferred for body text |
| #40432F text on black | 2.06:1 | Fails | Lc -8.9 | 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 900.
-
Step 50
50
#F5F6F3
oklch(97.2% 0.004 121.6)
-
Step 100
100
#E9EAE5
oklch(93.5% 0.007 115.7)
-
Step 200
200
#D8DAD0
oklch(88.4% 0.014 115.9)
-
Step 300
300
#C0C3B1
oklch(81% 0.025 114.6)
-
Step 400
400
#9FA488
oklch(70.7% 0.04 115.6)
-
Step 500
500
#888D6B
oklch(63% 0.049 114.6)
-
Step 600
600
#727752
oklch(55.5% 0.054 114.5)
-
Step 700
700
#606443
oklch(49.1% 0.05 113.9)
-
Step 800
800
#4E5237
oklch(42.7% 0.042 115.1)
-
Step 900
900 (this color)
#40432F
oklch(37.4% 0.033 114.9)
-
Step 950
950
#26281C
oklch(27.1% 0.021 115.5)
#40432F 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) | #46412E | 0.011 |
| Deuteranopia (no green cones) | #464130 | 0.012 |
| Tritanopia (no blue cones) | #42413E | 0.028 |
| Achromatopsia (no color) | #414141 | 0.033 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #40432F
#40432F
oklch(37.4% 0.033 114.9)
- #423E51
#423E51
oklch(37.6% 0.032 294.4)
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 #40432F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Charcoal Grey #3C4142 ΔE 0.034
- Onyx #343A40 ΔE 0.052
- Dark Olive #373E02 ΔE 0.053
- Dark Slate Gray #2F4F4F ΔE 0.054
- Charcoal #264653 ΔE 0.063
- Evergreen #05472A ΔE 0.064
- Mud Brown #60460F ΔE 0.065
- Pakistan Green #283618 ΔE 0.066
Use #40432F 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.