#40472D
Closest named color: Charcoal Grey (#3C4142). oklch(38.4% 0.043 120.7), rgb(64, 71, 45).
Aa
White text reads best on this color (9.73:1).
About this color
#40472D is a dark, muted brown. In OKLCH its lightness is 38%, its chroma 0.043 and its hue 121°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Charcoal Grey (#3C4142), ΔE 0.045 away. White text reads best on it, at 9.73:1.
| Hue family | Browns |
| Lightness | dark (38%) |
| Chroma | muted (0.043) |
| Temperature | in between |
| Nearest name | Charcoal Grey (#3C4142) |
| Black text | 2.15:1 |
| White text | 9.73:1 |
Values
| HEX | #40472D |
| RGB | rgb(64, 71, 45) |
| HSL | hsl(76, 22%, 23%) |
| OKLCH | oklch(38.4% 0.043 120.7) |
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 #40472D | 9.73:1 | AAA | Lc -96.8 | Preferred for body text |
| Black text on #40472D | 2.15:1 | Fails | Lc 11.4 | Not readable |
| #40472D text on white | 9.73:1 | AAA | Lc 92.6 | Preferred for body text |
| #40472D text on black | 2.15:1 | Fails | Lc -9.9 | 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
#E9EBE4
oklch(93.7% 0.01 119.6)
-
Step 200
200
#D7DBCE
oklch(88.5% 0.018 120.7)
-
Step 300
300
#BDC4AD
oklch(80.9% 0.032 120.9)
-
Step 400
400
#9CA682
oklch(70.7% 0.052 120.3)
-
Step 500
500
#849063
oklch(63.2% 0.065 120.4)
-
Step 600
600
#6D7A4A
oklch(55.6% 0.071 121.1)
-
Step 700
700
#5B663B
oklch(49% 0.065 120.6)
-
Step 800
800
#4B5431
oklch(42.8% 0.055 120.5)
-
Step 900
900 (this color)
#40472D
oklch(38.4% 0.043 120.7)
-
Step 950
950
#24291A
oklch(27.1% 0.027 123.2)
#40472D 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) | #4A442B | 0.018 |
| Deuteranopia (no green cones) | #49442E | 0.018 |
| Tritanopia (no blue cones) | #424440 | 0.036 |
| Achromatopsia (no color) | #444444 | 0.043 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #40472D
#40472D
oklch(38.4% 0.043 120.7)
- #473E57
#473E57
oklch(38.3% 0.043 300.9)
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 #40472D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Charcoal Grey #3C4142 ΔE 0.045
- Dark Olive #373E02 ΔE 0.052
- Dark Slate Gray #2F4F4F ΔE 0.053
- Green Brown #544E03 ΔE 0.057
- Mud Brown #60460F ΔE 0.059
- Evergreen #05472A ΔE 0.062
- Dark Blue Green #005249 ΔE 0.063
- Navy Green #35530A ΔE 0.064
Use #40472D 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.