#42452D
Closest named color: Charcoal Grey (#3C4142). oklch(38.1% 0.039 114.1), rgb(66, 69, 45).
Aa
White text reads best on this color (9.90:1).
About this color
#42452D is a dark, muted brown. In OKLCH its lightness is 38%, its chroma 0.039 and its hue 114°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Charcoal Grey (#3C4142), ΔE 0.041 away. White text reads best on it, at 9.90:1.
| Hue family | Browns |
| Lightness | dark (38%) |
| Chroma | muted (0.039) |
| Temperature | in between |
| Nearest name | Charcoal Grey (#3C4142) |
| Black text | 2.12:1 |
| White text | 9.90:1 |
Values
| HEX | #42452D |
| RGB | rgb(66, 69, 45) |
| HSL | hsl(67, 21%, 22%) |
| OKLCH | oklch(38.1% 0.039 114.1) |
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 #42452D | 9.90:1 | AAA | Lc -97.1 | Preferred for body text |
| Black text on #42452D | 2.12:1 | Fails | Lc 11.0 | Not readable |
| #42452D text on white | 9.90:1 | AAA | Lc 93.0 | Preferred for body text |
| #42452D text on black | 2.12:1 | Fails | Lc -9.5 | 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
#E9EAE4
oklch(93.5% 0.008 114.2)
-
Step 200
200
#D9DACF
oklch(88.5% 0.015 110.9)
-
Step 300
300
#C0C3AE
oklch(80.9% 0.029 113.6)
-
Step 400
400
#A0A483
oklch(70.7% 0.046 113.2)
-
Step 500
500
#898E64
oklch(63.2% 0.06 113.6)
-
Step 600
600
#72784B
oklch(55.6% 0.065 114.7)
-
Step 700
700
#60653C
oklch(49.2% 0.061 114.3)
-
Step 800
800
#4E5232
oklch(42.6% 0.049 114.3)
-
Step 900
900 (this color)
#42452D
oklch(38.1% 0.039 114.1)
-
Step 950
950
#26281A
oklch(27% 0.025 114.7)
#42452D 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) | #48432B | 0.011 |
| Deuteranopia (no green cones) | #48432E | 0.012 |
| Tritanopia (no blue cones) | #45423F | 0.034 |
| Achromatopsia (no color) | #434343 | 0.039 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #42452D
#42452D
oklch(38.1% 0.039 114.1)
- #433F55
#433F55
oklch(38.1% 0.037 292.9)
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 #42452D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Charcoal Grey #3C4142 ΔE 0.041
- Dark Olive #373E02 ΔE 0.053
- Dark Slate Gray #2F4F4F ΔE 0.055
- Mud Brown #60460F ΔE 0.059
- Onyx #343A40 ΔE 0.060
- Green Brown #544E03 ΔE 0.061
- Evergreen #05472A ΔE 0.065
- Dark Blue Green #005249 ΔE 0.068
Use #42452D 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.