#424334
Closest named color: Charcoal Grey (#3C4142). oklch(37.7% 0.025 110.7), rgb(66, 67, 52).
Aa
White text reads best on this color (10.07:1).
About this color
#424334 is a dark close to neutral grey. In OKLCH its lightness is 38%, its chroma 0.025. It has too little chroma to lean warm or cool. The nearest named color is Charcoal Grey (#3C4142), ΔE 0.027 away. White text reads best on it, at 10.07:1.
| Hue family | Neutrals |
| Lightness | dark (38%) |
| Chroma | close to neutral grey (0.025) |
| Temperature | neutral |
| Nearest name | Charcoal Grey (#3C4142) |
| Black text | 2.08:1 |
| White text | 10.07:1 |
Values
| HEX | #424334 |
| RGB | rgb(66, 67, 52) |
| HSL | hsl(64, 13%, 23%) |
| OKLCH | oklch(37.7% 0.025 110.7) |
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 #424334 | 10.07:1 | AAA | Lc -97.5 | Preferred for body text |
| Black text on #424334 | 2.08:1 | Fails | Lc 10.5 | Not readable |
| #424334 text on white | 10.07:1 | AAA | Lc 93.4 | Preferred for body text |
| #424334 text on black | 2.08:1 | Fails | Lc -9.1 | 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
#F5F5F4
oklch(97% 0.001 106.4)
-
Step 100
100
#EAEAE6
oklch(93.6% 0.005 106.5)
-
Step 200
200
#D9DAD2
oklch(88.5% 0.011 112.4)
-
Step 300
300
#C1C2B5
oklch(81% 0.018 110.4)
-
Step 400
400
#A1A38E
oklch(70.8% 0.03 111.6)
-
Step 500
500
#8A8C72
oklch(63.1% 0.038 111)
-
Step 600
600
#74765A
oklch(55.6% 0.041 111.1)
-
Step 700
700
#61634A
oklch(49.1% 0.038 111.5)
-
Step 800
800
#50513D
oklch(42.8% 0.032 110)
-
Step 900
900 (this color)
#424334
oklch(37.7% 0.025 110.7)
-
Step 950
950
#27271F
oklch(27% 0.014 107.3)
#424334 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) | #454233 | 0.005 |
| Deuteranopia (no green cones) | #464235 | 0.008 |
| Tritanopia (no blue cones) | #44413F | 0.022 |
| Achromatopsia (no color) | #424242 | 0.025 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #424334
#424334
oklch(37.7% 0.025 110.7)
- #41404E
#41404E
oklch(37.8% 0.024 288.5)
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 #424334, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Charcoal Grey #3C4142 ΔE 0.027
- Onyx #343A40 ΔE 0.048
- Dark Slate Gray #2F4F4F ΔE 0.050
- Charcoal #264653 ΔE 0.059
- Dark Olive #373E02 ΔE 0.062
- Mud Brown #60460F ΔE 0.067
- Dark Teal #014D4E ΔE 0.067
- Dark Blue Green #005249 ΔE 0.069
Use #424334 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.