#42472F
Closest named color: Charcoal Grey (#3C4142). oklch(38.6% 0.039 117.8), rgb(66, 71, 47).
Aa
White text reads best on this color (9.65:1).
About this color
#42472F is a dark, muted brown. In OKLCH its lightness is 39%, its chroma 0.039 and its hue 118°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Charcoal Grey (#3C4142), ΔE 0.043 away. White text reads best on it, at 9.65:1.
| Hue family | Browns |
| Lightness | dark (39%) |
| Chroma | muted (0.039) |
| Temperature | in between |
| Nearest name | Charcoal Grey (#3C4142) |
| Black text | 2.17:1 |
| White text | 9.65:1 |
Values
| HEX | #42472F |
| RGB | rgb(66, 71, 47) |
| HSL | hsl(72, 20%, 23%) |
| OKLCH | oklch(38.6% 0.039 117.8) |
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 #42472F | 9.65:1 | AAA | Lc -96.6 | Preferred for body text |
| Black text on #42472F | 2.17:1 | Fails | Lc 11.6 | Not readable |
| #42472F text on white | 9.65:1 | AAA | Lc 92.4 | Preferred for body text |
| #42472F text on black | 2.17:1 | Fails | Lc -10.0 | 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 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
#D8DBCF
oklch(88.6% 0.016 118.2)
-
Step 300
300
#BFC3AF
oklch(80.9% 0.028 116.2)
-
Step 400
400
#9EA584
oklch(70.7% 0.047 117.3)
-
Step 500
500
#868F65
oklch(63.2% 0.061 118)
-
Step 600
600
#70794C
oklch(55.7% 0.066 117.8)
-
Step 700
700
#5E663D
oklch(49.3% 0.061 117.7)
-
Step 800
800
#4C5333
oklch(42.7% 0.05 118.6)
-
Step 900
900 (this color)
#42472F
oklch(38.6% 0.039 117.8)
-
Step 950
950
#25281A
oklch(26.9% 0.025 117.9)
#42472F 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) | #4A442D | 0.015 |
| Deuteranopia (no green cones) | #4A4530 | 0.015 |
| Tritanopia (no blue cones) | #444441 | 0.034 |
| Achromatopsia (no color) | #454545 | 0.039 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #42472F
#42472F
oklch(38.6% 0.039 117.8)
- #464056
#464056
oklch(38.6% 0.038 297.1)
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 #42472F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Charcoal Grey #3C4142 ΔE 0.043
- Dark Slate Gray #2F4F4F ΔE 0.051
- Dark Olive #373E02 ΔE 0.056
- Mud Brown #60460F ΔE 0.057
- Green Brown #544E03 ΔE 0.058
- Onyx #343A40 ΔE 0.064
- Dark Blue Green #005249 ΔE 0.065
- Evergreen #05472A ΔE 0.066
Use #42472F 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.