#42422B
Closest named color: Charcoal Grey (#3C4142). oklch(37.2% 0.037 108.1), rgb(66, 66, 43).
Aa
White text reads best on this color (10.26:1).
About this color
#42422B is a dark, muted brown. In OKLCH its lightness is 37%, its chroma 0.037 and its hue 108°. Its hue sits on the warm side of the wheel. The nearest named color is Charcoal Grey (#3C4142), ΔE 0.039 away. White text reads best on it, at 10.26:1.
| Hue family | Browns |
| Lightness | dark (37%) |
| Chroma | muted (0.037) |
| Temperature | warm |
| Nearest name | Charcoal Grey (#3C4142) |
| Black text | 2.04:1 |
| White text | 10.26:1 |
Values
| HEX | #42422B |
| RGB | rgb(66, 66, 43) |
| HSL | hsl(60, 21%, 21%) |
| OKLCH | oklch(37.2% 0.037 108.1) |
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 #42422B | 10.26:1 | AAA | Lc -97.9 | Preferred for body text |
| Black text on #42422B | 2.04:1 | Fails | Lc 10.1 | Not readable |
| #42422B text on white | 10.26:1 | AAA | Lc 93.8 | Preferred for body text |
| #42422B text on black | 2.04:1 | Fails | Lc -8.7 | 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
#EAEAE4
oklch(93.5% 0.008 106.6)
-
Step 200
200
#DADACF
oklch(88.5% 0.015 106.7)
-
Step 300
300
#C2C2AE
oklch(80.9% 0.027 107)
-
Step 400
400
#A3A384
oklch(70.7% 0.043 107.5)
-
Step 500
500
#8C8C64
oklch(63% 0.057 107.9)
-
Step 600
600
#76764B
oklch(55.5% 0.062 108.2)
-
Step 700
700
#64633C
oklch(49.1% 0.057 107.1)
-
Step 800
800
#515132
oklch(42.7% 0.047 108.3)
-
Step 900
900 (this color)
#42422B
oklch(37.2% 0.037 108.1)
-
Step 950
950
#27271A
oklch(26.9% 0.023 107.8)
#42422B 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) | #464029 | 0.008 |
| Deuteranopia (no green cones) | #46412C | 0.008 |
| Tritanopia (no blue cones) | #453F3C | 0.033 |
| Achromatopsia (no color) | #414141 | 0.037 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #42422B
#42422B
oklch(37.2% 0.037 108.1)
- #3F3D53
#3F3D53
oklch(37.1% 0.037 288.6)
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 #42422B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Charcoal Grey #3C4142 ΔE 0.039
- Dark Olive #373E02 ΔE 0.050
- Onyx #343A40 ΔE 0.055
- Dark Slate Gray #2F4F4F ΔE 0.060
- Mud Brown #60460F ΔE 0.062
- Pakistan Green #283618 ΔE 0.065
- Evergreen #05472A ΔE 0.066
- Green Brown #544E03 ΔE 0.067
Use #42422B 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.