#424433
Closest named color: Charcoal Grey (#3C4142). oklch(37.9% 0.028 113.2), rgb(66, 68, 51).
Aa
White text reads best on this color (9.97:1).
About this color
#424433 is a dark close to neutral grey. In OKLCH its lightness is 38%, its chroma 0.028. It has too little chroma to lean warm or cool. The nearest named color is Charcoal Grey (#3C4142), ΔE 0.031 away. White text reads best on it, at 9.97:1.
| Hue family | Neutrals |
| Lightness | dark (38%) |
| Chroma | close to neutral grey (0.028) |
| Temperature | neutral |
| Nearest name | Charcoal Grey (#3C4142) |
| Black text | 2.10:1 |
| White text | 9.97:1 |
Values
| HEX | #424433 |
| RGB | rgb(66, 68, 51) |
| HSL | hsl(67, 14%, 23%) |
| OKLCH | oklch(37.9% 0.028 113.2) |
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 #424433 | 9.97:1 | AAA | Lc -97.3 | Preferred for body text |
| Black text on #424433 | 2.10:1 | Fails | Lc 10.8 | Not readable |
| #424433 text on white | 9.97:1 | AAA | Lc 93.2 | Preferred for body text |
| #424433 text on black | 2.10:1 | Fails | Lc -9.3 | 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
#EAEAE6
oklch(93.6% 0.005 106.5)
-
Step 200
200
#D9DAD1
oklch(88.5% 0.012 111.8)
-
Step 300
300
#C0C2B3
oklch(80.8% 0.021 113)
-
Step 400
400
#A0A38C
oklch(70.7% 0.033 113.3)
-
Step 500
500
#898D6F
oklch(63.2% 0.043 113.8)
-
Step 600
600
#737757
oklch(55.7% 0.047 113.7)
-
Step 700
700
#606447
oklch(49.2% 0.044 114.4)
-
Step 800
800
#4F513B
oklch(42.7% 0.035 112.1)
-
Step 900
900 (this color)
#424433
oklch(37.9% 0.028 113.2)
-
Step 950
950
#26271E
oklch(26.9% 0.016 112.6)
#424433 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) | #474232 | 0.010 |
| Deuteranopia (no green cones) | #474334 | 0.009 |
| Tritanopia (no blue cones) | #44423F | 0.023 |
| Achromatopsia (no color) | #434343 | 0.028 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #424433
#424433
oklch(37.9% 0.028 113.2)
- #434050
#434050
oklch(38.1% 0.027 293.7)
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 #424433, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Charcoal Grey #3C4142 ΔE 0.031
- Dark Slate Gray #2F4F4F ΔE 0.050
- Onyx #343A40 ΔE 0.052
- Charcoal #264653 ΔE 0.060
- Dark Olive #373E02 ΔE 0.061
- Mud Brown #60460F ΔE 0.064
- Dark Teal #014D4E ΔE 0.067
- Dark Blue Green #005249 ΔE 0.067
Use #424433 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.