#423334
Closest named color: Onyx (#343A40). oklch(33.8% 0.022 13.8), rgb(66, 51, 52).
Aa
White text reads best on this color (11.96:1).
About this color
#423334 is a dark close to neutral grey. In OKLCH its lightness is 34%, its chroma 0.022. It has too little chroma to lean warm or cool. The nearest named color is Onyx (#343A40), ΔE 0.032 away. White text reads best on it, at 11.96:1.
| Hue family | Neutrals |
| Lightness | dark (34%) |
| Chroma | close to neutral grey (0.022) |
| Temperature | neutral |
| Nearest name | Onyx (#343A40) |
| Black text | 1.75:1 |
| White text | 11.96:1 |
Values
| HEX | #423334 |
| RGB | rgb(66, 51, 52) |
| HSL | hsl(356, 13%, 23%) |
| OKLCH | oklch(33.8% 0.022 13.8) |
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 #423334 | 11.96:1 | AAA | Lc -101.0 | Preferred for body text |
| Black text on #423334 | 1.75:1 | Fails | Lc 0.0 | Not readable |
| #423334 text on white | 11.96:1 | AAA | Lc 97.4 | Preferred for body text |
| #423334 text on black | 1.75:1 | Fails | Lc 0.0 | 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
#F7F5F5
oklch(97.2% 0.002 17.2)
-
Step 100
100
#EDE9E9
oklch(93.7% 0.004 17.2)
-
Step 200
200
#DFD7D7
oklch(88.6% 0.009 17.3)
-
Step 300
300
#CBBDBD
oklch(81% 0.016 17.5)
-
Step 400
400
#B09A9C
oklch(70.6% 0.026 11.5)
-
Step 500
500
#9D8283
oklch(63.2% 0.033 15.6)
-
Step 600
600
#876B6D
oklch(55.6% 0.036 13.5)
-
Step 700
700
#73595B
oklch(49.1% 0.034 13.2)
-
Step 800
800
#5D494A
oklch(42.7% 0.027 14.9)
-
Step 900
900 (this color)
#423334
oklch(33.8% 0.022 13.8)
-
Step 950
950
#2D2424
oklch(27.1% 0.014 18)
#423334 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) | #353534 | 0.024 |
| Deuteranopia (no green cones) | #393834 | 0.022 |
| Tritanopia (no blue cones) | #453233 | 0.006 |
| Achromatopsia (no color) | #373737 | 0.022 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #423334
#423334
oklch(33.8% 0.022 13.8)
- #2A3B3B
#2A3B3B
oklch(33.8% 0.022 196.2)
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 #423334, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Onyx #343A40 ΔE 0.032
- Charcoal Grey #3C4142 ΔE 0.043
- Gunmetal #293241 ΔE 0.049
- Space Cadet #2B2D42 ΔE 0.056
- Dark Blue Grey #1F3B4D ΔE 0.064
- Pakistan Green #283618 ΔE 0.070
- Charcoal #264653 ΔE 0.073
- Midnight Green #073B4C ΔE 0.078
Use #423334 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.