#424633
Closest named color: Charcoal Grey (#3C4142). oklch(38.5% 0.031 117.6), rgb(66, 70, 51).
Aa
White text reads best on this color (9.74:1).
About this color
#424633 is a dark, muted brown. In OKLCH its lightness is 38%, its chroma 0.031 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 0.035 away. White text reads best on it, at 9.74:1.
| Hue family | Browns |
| Lightness | dark (38%) |
| Chroma | muted (0.031) |
| Temperature | in between |
| Nearest name | Charcoal Grey (#3C4142) |
| Black text | 2.15:1 |
| White text | 9.74:1 |
Values
| HEX | #424633 |
| RGB | rgb(66, 70, 51) |
| HSL | hsl(73, 16%, 24%) |
| OKLCH | oklch(38.5% 0.031 117.6) |
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 #424633 | 9.74:1 | AAA | Lc -96.8 | Preferred for body text |
| Black text on #424633 | 2.15:1 | Fails | Lc 11.3 | Not readable |
| #424633 text on white | 9.74:1 | AAA | Lc 92.6 | Preferred for body text |
| #424633 text on black | 2.15:1 | Fails | Lc -9.8 | 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
#D8DAD1
oklch(88.4% 0.012 116.8)
-
Step 300
300
#BFC3B2
oklch(80.9% 0.024 117.7)
-
Step 400
400
#9EA48A
oklch(70.7% 0.037 117.9)
-
Step 500
500
#878E6D
oklch(63.2% 0.048 117.5)
-
Step 600
600
#717855
oklch(55.7% 0.052 117.3)
-
Step 700
700
#5E6545
oklch(49.2% 0.049 118.3)
-
Step 800
800
#4D5239
oklch(42.7% 0.04 117.3)
-
Step 900
900 (this color)
#424633
oklch(38.5% 0.031 117.6)
-
Step 950
950
#25281D
oklch(27% 0.02 120.1)
#424633 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) | #494432 | 0.012 |
| Deuteranopia (no green cones) | #484434 | 0.012 |
| Tritanopia (no blue cones) | #444441 | 0.026 |
| Achromatopsia (no color) | #444444 | 0.031 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #424633
#424633
oklch(38.5% 0.031 117.6)
- #454052
#454052
oklch(38.4% 0.031 297.7)
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 #424633, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Charcoal Grey #3C4142 ΔE 0.035
- Dark Slate Gray #2F4F4F ΔE 0.047
- Onyx #343A40 ΔE 0.057
- Dark Olive #373E02 ΔE 0.061
- Mud Brown #60460F ΔE 0.062
- Charcoal #264653 ΔE 0.062
- Dark Blue Green #005249 ΔE 0.064
- Green Brown #544E03 ΔE 0.065
Use #424633 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.